{"id":6394,"date":"2023-10-25T16:53:07","date_gmt":"2023-10-25T15:53:07","guid":{"rendered":"https:\/\/blog.citrus-lime.com\/tkt\/?p=6394"},"modified":"2025-07-09T13:18:05","modified_gmt":"2025-07-09T12:18:05","slug":"waterproof-and-breathability-ratings-explained","status":"publish","type":"post","link":"https:\/\/blog.citrus-lime.com\/tkt\/waterproof-and-breathability-ratings-explained\/","title":{"rendered":"Waterproof and Breathability Ratings Explained"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\">Waterproof and Breathability Ratings Explained<\/h1>\n\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Confused by technical specs? This guide simplifies <em>waterproof and breathability ratings<\/em>\u2014explaining key performance metrics, how they\u2019re tested, and how to choose the right jacket for your adventures.<\/p>\n\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-oswald-font-family\" id=\"1-is-camping-with-kids-a-nightmare\" style=\"text-transform:uppercase\">In SHORT&#8230;<\/h2>\n\n\n<ul style=\"padding-left: 1.1em; text-align: left; --ub-list-item-icon-top: 3px;; --ub-list-item-icon-size: 0.9em; --ub-list-item-background-image: url('data:image\/svg+xml;utf8,&lt;svg xmlns=&quot;http:\/\/www.w3.org\/2000\/svg&quot; viewBox=&quot;0 0 256 512&quot;&gt;&lt;path fill=&quot;%23000000&quot; d=&quot;M160 64c0-11.8-6.5-22.6-16.9-28.2s-23-5-32.9 1.6l-96 64C-.5 111.2-4.4 131 5.4 145.8s29.7 18.7 44.4 8.9L96 123.8V416H32c-17.7 0-32 14.3-32 32s14.3 32 32 32h96 96c17.7 0 32-14.3 32-32s-14.3-32-32-32H160V64z&quot;&gt;&lt;\/path&gt;&lt;\/svg&gt;'); --ub-list-item-fa-li-top: 3px; --ub-list-item-spacing: 0px; column-count: 1; --ub-list-mobile-column-count: 1; \" class=\"wp-block-ub-styled-list ub_styled_list\" id=\"ub_styled_list-fd12df23-41ed-4916-96c2-a952924e271f\">\n<li class=\"ub_styled_list_item\" style=\"--ub-list-item-icon-top: 3px; --ub-list-item-icon-size: 0.9em; --ub-list-item-background-image: url('data:image\/svg+xml;utf8,&lt;svg xmlns=&quot;http:\/\/www.w3.org\/2000\/svg&quot; viewBox=&quot;0 0 512 512&quot;&gt;&lt;path fill=&quot;%23000000&quot; d=&quot;M0 256a256 256 0 1 0 512 0A256 256 0 1 0 0 256zM241 377c-9.4 9.4-24.6 9.4-33.9 0s-9.4-24.6 0-33.9l87-87-87-87c-9.4-9.4-9.4-24.6 0-33.9s24.6-9.4 33.9 0L345 239c9.4 9.4 9.4 24.6 0 33.9L241 377z&quot;&gt;&lt;\/path&gt;&lt;\/svg&gt;'); \" id=\"ub-styled-list-item-958dd81c-2bcd-4cd8-a523-5e675b58d857\">\n\t\t\t<div class=\"ub_list_item_content\">\n\t\t\t\t<span class=\"ub_list_item_icon\">\n\t\t\t\t\t<svg width=\"0.9em\" height=\"0.9em\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 512 512\"><path fill=\"#000000\" d=\"M0 256a256 256 0 1 0 512 0A256 256 0 1 0 0 256zM241 377c-9.4 9.4-24.6 9.4-33.9 0s-9.4-24.6 0-33.9l87-87-87-87c-9.4-9.4-9.4-24.6 0-33.9s24.6-9.4 33.9 0L345 239c9.4 9.4 9.4 24.6 0 33.9L241 377z\"><\/path><\/svg>\n\t\t\t\t<\/span>\n\t\t\t\t<span class=\"ub_list_item_text\"><strong>Know how waterproof and breathability ratings work:<\/strong> Learn how hydrostatic head (HH), MVTR, and RET ratings measure a jacket\u2019s ability to repel water and release sweat during use.<\/span>\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/li>\n\n<li class=\"ub_styled_list_item\" style=\"--ub-list-item-icon-top: 3px; --ub-list-item-icon-size: 0.9em; --ub-list-item-background-image: url('data:image\/svg+xml;utf8,&lt;svg xmlns=&quot;http:\/\/www.w3.org\/2000\/svg&quot; viewBox=&quot;0 0 512 512&quot;&gt;&lt;path fill=&quot;%23000000&quot; d=&quot;M0 256a256 256 0 1 0 512 0A256 256 0 1 0 0 256zM241 377c-9.4 9.4-24.6 9.4-33.9 0s-9.4-24.6 0-33.9l87-87-87-87c-9.4-9.4-9.4-24.6 0-33.9s24.6-9.4 33.9 0L345 239c9.4 9.4 9.4 24.6 0 33.9L241 377z&quot;&gt;&lt;\/path&gt;&lt;\/svg&gt;'); \" id=\"ub-styled-list-item-4be234f7-6fde-4a21-812e-83df02437fc1\">\n\t\t\t<div class=\"ub_list_item_content\">\n\t\t\t\t<span class=\"ub_list_item_icon\">\n\t\t\t\t\t<svg width=\"0.9em\" height=\"0.9em\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 512 512\"><path fill=\"#000000\" d=\"M0 256a256 256 0 1 0 512 0A256 256 0 1 0 0 256zM241 377c-9.4 9.4-24.6 9.4-33.9 0s-9.4-24.6 0-33.9l87-87-87-87c-9.4-9.4-9.4-24.6 0-33.9s24.6-9.4 33.9 0L345 239c9.4 9.4 9.4 24.6 0 33.9L241 377z\"><\/path><\/svg>\n\t\t\t\t<\/span>\n\t\t\t\t<span class=\"ub_list_item_text\"><strong>Understand Trekitt\u2019s new ratings system:<\/strong> Discover how this visual feature helps you quickly compare jackets based on waterproofness, breathability, weight, and features\u2014tailored to your activities.<\/span>\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/li>\n\n<li class=\"ub_styled_list_item\" style=\"--ub-list-item-icon-top: 3px; --ub-list-item-icon-size: 0.9em; --ub-list-item-background-image: url('data:image\/svg+xml;utf8,&lt;svg xmlns=&quot;http:\/\/www.w3.org\/2000\/svg&quot; viewBox=&quot;0 0 512 512&quot;&gt;&lt;path fill=&quot;%23000000&quot; d=&quot;M0 256a256 256 0 1 0 512 0A256 256 0 1 0 0 256zM241 377c-9.4 9.4-24.6 9.4-33.9 0s-9.4-24.6 0-33.9l87-87-87-87c-9.4-9.4-9.4-24.6 0-33.9s24.6-9.4 33.9 0L345 239c9.4 9.4 9.4 24.6 0 33.9L241 377z&quot;&gt;&lt;\/path&gt;&lt;\/svg&gt;'); \" id=\"ub-styled-list-item-c266045a-a0bb-4941-b424-26598c81d0ba\">\n\t\t\t<div class=\"ub_list_item_content\">\n\t\t\t\t<span class=\"ub_list_item_icon\">\n\t\t\t\t\t<svg width=\"0.9em\" height=\"0.9em\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 512 512\"><path fill=\"#000000\" d=\"M0 256a256 256 0 1 0 512 0A256 256 0 1 0 0 256zM241 377c-9.4 9.4-24.6 9.4-33.9 0s-9.4-24.6 0-33.9l87-87-87-87c-9.4-9.4-9.4-24.6 0-33.9s24.6-9.4 33.9 0L345 239c9.4 9.4 9.4 24.6 0 33.9L241 377z\"><\/path><\/svg>\n\t\t\t\t<\/span>\n\t\t\t\t<span class=\"ub_list_item_text\"><strong>See how to choose the right jacket:<\/strong> Explore how to match jackets to your needs, whether for high-output trail runs, wet-weather hikes, or serious mountaineering, with tips on layering and care.<\/span>\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/li>\n<\/ul>\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Eagle-eyed, loyal Trekitt customers may have noticed our new ratings system recently appear on some of our product pages. I know what you&#8217;re thinking: what is this new feature? What does it mean? How can it help me? Well, read on and you&#8217;ll find out everything you need to know about our waterproof and breathability ratings system. It will help you make an informed decision when shopping for waterproof gear on our website.<\/p>\n\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">The Power of Product Knowledge<\/h2>\n\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>As outdoor enthusiasts and connoisseurs of adventure-ready gear, we&#8217;ve been writing unique product descriptions for a long time. Why, I hear you ask? So that we can pass on as much of our practical and product knowledge as possible, to help you make an informed decision and buy the best kit for your adventures! Think of our product descriptions as the conversation we&#8217;d have with you if you popped into our Hereford Service Centre looking for some advice on a particular product, like a waterproof jacket, for example.<\/p>\n\n\n\n<p>Our new ratings feature, which you can see below, allows you to make a quick visual comparison between products, helping you to identify what qualities are most important to you. For example, we rate <strong>four key features<\/strong> for waterproof jackets: waterproofness, breathability, weight and features.<\/p>\n\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/blog.citrus-lime.com\/tkt\/wp-content\/uploads\/sites\/18\/2023\/10\/Ratings-Screenshot-V3.png\" alt=\"Waterproof and Breathability Product Ratings Trekitt\" \/><\/figure>\n\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Waterproof and Breathability Ratings: 1. Waterproof<\/h2>\n\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>This one is a little self-explanatory, as any products rated with this feature are&nbsp;<b>all&nbsp;<\/b>technically waterproof. However, some jackets are more suitable for long, wet, relentless days in the mountains than others. To highlight this, manufacturers rate their fabric&#8217;s waterproof ability by using a Hydrostatic Head (HH) test.<\/p>\n\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Understanding the hydrostatic head test and how it categorises waterproof jackets<\/h3>\n\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>The HH test applies hydrostatic force to the fabric and records the pressure at which it fails and lets water through. This HH test is designed to replicate the changing water pressures that your kit deals with on every adventure. From rain showers to pressure from your backpack straps, to kneeling on wet ground, you put your kit through its paces all the time, without even thinking about it. The higher the HH rating, the more &#8216;waterproof&#8217; the product is and the longer you&#8217;ll stay dry whilst out in the piddling rain &#8211; an essential feature for those who work outside, in all weathers, like Mountain Rescue teams and outdoor instructors.&nbsp;<\/p>\n\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Knowing when to reapply the DWR to your waterproof jacket<\/h3>\n\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Quick side note\u2026 A jacket&#8217;s ability to bead water is not to be confused with its waterproof rating. If your jacket isn\u2019t beading water as well as it used to, then don\u2019t worry! The waterproof membrane is still working and your jacket is still actually waterproof. But face fabric that is wetted out does impede the membrane&#8217;s ability to let moisture escape. So, if you&#8217;re jacket&#8217;s face fabric has wetted out and you\u2019re feeling a bit soggy, chances are, that\u2019s your sweat, not the jacket leaking. To keep your jacket performing at its best ability, you\u2019ll need to reapply the DWR (durable water repellent) regularly by using a product like the <a href=\"https:\/\/www.trekitt.co.uk\/clothing\/washing-water-repellency-care\/grangers-clothing-wash-and-repel-300ml__39994?utm_source=Blog&amp;utm_medium=Organic&amp;utm_campaign=WaterproofRatingsExplained_BlogCTA_Performance\" target=\"_blank\" rel=\"noopener\"><b>Grangers 2 in 1 Wash and Repel<\/b><\/a> or the <a href=\"https:\/\/www.trekitt.co.uk\/clothing\/washing-water-repellency-care\/nikwax-tx-direct-wash-300ml__2474\" target=\"_blank\" rel=\"noopener\"><b>Nikwax TX Direct Wash<\/b><\/a>. Want to know more about how to care for and maintain your waterproof kit? Watch our handy YouTube video <a href=\"https:\/\/www.youtube.com\/watch?v=Ldy0RHehMPc&amp;t=2s?utm_source=Blog&amp;utm_medium=Organic&amp;utm_campaign=WinterWalkingTips_BlogCTA_Performance\" target=\"_blank\" rel=\"noopener\"><b>here<\/b><\/a>.<\/p>\n\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/www.trekitt.co.uk\/outdoor-jackets\/waterproof-jackets\/montane-mens-phase-lite-jacket-citrus-spring__51695?utm_source=Blog&amp;utm_medium=Organic&amp;utm_campaign=WaterproofRatingsExplained_BlogCTA_Performance\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"https:\/\/blog.citrus-lime.com\/tkt\/wp-content\/uploads\/sites\/18\/2023\/10\/Mens-Phase-Light.png\" alt=\"Montane Men's Phase Light Jacket\" \/><\/a><figcaption class=\"wp-element-caption\">Photographed: Montane Mens Phase Lite Jacket<\/figcaption><\/figure>\n\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/www.trekitt.co.uk\/outdoor-jackets\/waterproof-jackets\/montane-womens-phase-lite-jacket-pale-sage__47937?utm_source=Blog&amp;utm_medium=Organic&amp;utm_campaign=WaterproofRatingsExplained_BlogCTA_Performance\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"https:\/\/blog.citrus-lime.com\/tkt\/wp-content\/uploads\/sites\/18\/2023\/10\/Womens-Phase-Lite.png\" alt=\"Montane Women's Phase Light Jacket\" \/><\/a><figcaption class=\"wp-element-caption\">Photographed: Montane Womens Phase Lite Jacket<\/figcaption><\/figure>\n\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Waterproof and Breathability Ratings: 2. Breathability<\/h2>\n\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>When we talk about jackets being \u2018breathable\u2019, we\u2019re actually referring to the amount of moisture that can escape the jacket, which helps regulate your body temperature and stops you from feeling sticky. If a jacket wasn&#8217;t breathable at all, any moisture build-up from sweat would condense inside, cause you to lose body heat quickly, give you the chills and, in extreme environments, can lead to hypothermia &#8211; this is why breathability is so important.<\/p>\n\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Waterproof membranes: How millions of microscopic holes keep you dry in the wettest conditions<\/h3>\n\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Did you know, the membrane that keeps your jacket waterproof is actually full of holes? Yeah, I know, sounds weird, right? Take a classic Gore-Tex membrane, for example; it has around 9 million microscopic holes per square inch! These tiny holes allow moisture vapour to escape so you don&#8217;t get clammy when you start to work up a sweat. But here&#8217;s the clever bit: each hole is 20,000 times smaller than a water droplet, meaning rain and water can&#8217;t physically pass through the membrane into the jacket, keeping you dry, even in torrential rain. Neat right?<\/p>\n\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">How to measure the breathability of a waterproof<\/h3>\n\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>A waterproof jacket&#8217;s breathability can be measured in two different ways: Moisture Vapour Transmission Rate (MVTR) and Thermal Evaporative Resistance (RET). MVTR records the amount of evaporation through a square metre of fabric over a 24-hour period. The higher the MVTR rating, the more breathable the fabric is. RET works in the opposite way by measuring the fabric&#8217;s level of resistance to evaporation. So, the lower the RET, the higher the breathability. Are you beginning to see why we created our ratings feature?<\/p>\n\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/blog.citrus-lime.com\/tkt\/wp-content\/uploads\/sites\/18\/2023\/10\/MicrosoftTeams-image-00-768x670.png\" alt=\"\" \/><\/figure>\n\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Waterproof and Breathability Ratings: 3. Weight<\/h2>\n\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>This one is simple; it&#8217;s how heavy the actual jacket is. For those who want to travel fast and light, counting every gram of weight &#8211; this is for you.<\/p>\n\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Waterproof and Breathability Ratings: 4. Features<\/h2>\n\n\n\n<p>This rating is based on how many &#8216;features&#8217; the jacket has. For example, a jacket that rated low would most likely be a trail running jacket that has little or no pockets. Whereas a jacket with a high feature set would be a mountaineering jacket. Which has plenty of pockets, a fully adjustable hood, pit ventilation zips and much more.<\/p>\n\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Waterproof and Breathability Ratings: We&#8217;ve Rated the Jacket, But How Does That Help You?<\/h2>\n\n\n\n<p>Let me explain a few key rating scenarios\u2026<\/p>\n\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Moderate waterproof, low breathability<\/h3>\n\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>This rating suggests the jacket is best suited to less strenuous activities in wet weather. For example; walking, dog walking and everyday use, when you&#8217;re not going to be working up a sweat. Therefore, don&#8217;t need high levels of breathability. Don&#8217;t get me wrong, these jackets are still breathable, but if you were to go out for a run in it, you&#8217;d feel clammy pretty quickly.<\/p>\n\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Highly breathable, moderate waterproof<\/h3>\n\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Just because a jacket doesn\u2019t rate 5\/5 on the waterproof scale, doesn\u2019t mean that it isn\u2019t a fantastic jacket that has lots more to offer. <a href=\"https:\/\/www.trekitt.co.uk\/outdoor-jackets\/waterproof-jackets\/montane-mens-phase-nano-jacket-alder-green__48624?utm_source=Blog&amp;utm_medium=Organic&amp;utm_campaign=WaterproofRatingsExplained_BlogCTA_Performance\" target=\"_blank\" rel=\"noopener\"><b>Montane&#8217;s Phase Nano<\/b><\/a> is a great example. This type of jacket is more suitable for fast-paced, strenuous activities like trail running when you need protection from the elements but don&#8217;t want to overheat when you\u2019re working hard. It\u2019s also a great option for summer hiking in wet weather when you need a high level of breathability to be comfortable in warmer conditions.<\/p>\n\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Highly waterproof and highly breathable<\/h3>\n\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>These are the highest performing waterproof jackets, often fully mountain capable and suitable for mountaineering, ski touring and alpinism. These jackets are usually more expensive, but they are built to protect you from the elements in extreme mountain conditions when you\u2019re traversing highly technical terrain, not strolling around the park with your dog on a wet Sunday afternoon. <a href=\"https:\/\/www.trekitt.co.uk\/outdoor-jackets\/waterproof-jackets\/haglofs-mens-spitz-gtx-pro-jacket-golden-brownmagnetite__52552?utm_source=Blog&amp;utm_medium=Organic&amp;utm_campaign=WaterproofRatingsExplained_BlogCTA_Performance\" target=\"_blank\" rel=\"noopener\"><b>Haglofs Mens Spitz GTX Pro Jacket<\/b><\/a> and <a href=\"https:\/\/www.trekitt.co.uk\/outdoor-jackets\/waterproof-jackets\/mammut-mens-taiss-pro-hs-hooded-jacket-blood-red__53842?utm_source=Blog&amp;utm_medium=Organic&amp;utm_campaign=WaterproofRatingsExplained_BlogCTA_Performance\" target=\"_blank\" rel=\"noopener\"><b>Mammut\u2019s Taiss Pro HS Hooded Jacket<\/b><\/a> are great examples of high-performance mountaineering jackets, built for gnarly adventures.<\/p>\n\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/www.trekitt.co.uk\/outdoor-jackets\/waterproof-jackets\/montane-mens-phase-nano-jacket-electric-blue__48626?utm_source=Blog&amp;utm_medium=Organic&amp;utm_campaign=WaterproofRatingsExplained_BlogCTA_Performance\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"https:\/\/blog.citrus-lime.com\/tkt\/wp-content\/uploads\/sites\/18\/2023\/10\/Montane-Phase-Nano.png\" alt=\"Montane Men's Phase Nano Jacket\" \/><\/a><figcaption class=\"wp-element-caption\">Photographed: Montane Mens Phase Nano Jacket<\/figcaption><\/figure>\n\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"768\" height=\"768\" src=\"https:\/\/blog.citrus-lime.com\/tkt\/wp-content\/uploads\/sites\/18\/2025\/03\/Haglofs-Spitz-GTX-Pro2.jpg\" alt=\"\" class=\"wp-image-17678\" srcset=\"https:\/\/blog.citrus-lime.com\/tkt\/wp-content\/uploads\/sites\/18\/2025\/03\/Haglofs-Spitz-GTX-Pro2.jpg 768w, https:\/\/blog.citrus-lime.com\/tkt\/wp-content\/uploads\/sites\/18\/2025\/03\/Haglofs-Spitz-GTX-Pro2-300x300.jpg 300w, https:\/\/blog.citrus-lime.com\/tkt\/wp-content\/uploads\/sites\/18\/2025\/03\/Haglofs-Spitz-GTX-Pro2-150x150.jpg 150w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><figcaption class=\"wp-element-caption\">Photographed: Haglofs Mens Spitz GTX Pro Jacket<\/figcaption><\/figure>\n\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">How choosing the right kit can elevate your adventure<\/h3>\n\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Our rating feature is simple yet really handy if you&#8217;re looking for a jacket for a particular activity. The right kit will elevate your adventure, allowing you to push for the summit or smash your PB.&nbsp;There is nothing more miserable than wearing the wrong kit for the job and being soggy from either rainwater or your own sweat (grim, I know, but still true). Or worse, if you&#8217;re mountaineering in bad weather, in the wrong kit, the situation can quickly become life-threatening. This is why we create detailed product information, so you only buy kit that is suitable.<\/p>\n\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Waterproof and breathability ratings: The right layering system<\/h3>\n\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Don&#8217;t get me wrong, your waterproof shell jacket is not going to be as breathable as a softshell jacket, although that\u2019s a whole other topic. But it will provide essential waterproof protection when you need it. Not sure if you need a hard or a softshell? Read our blog <a href=\"https:\/\/www.trekitt.co.uk\/blog\/softshell-vs-hardshell\/?utm_source=Blog&amp;utm_medium=Organic&amp;utm_campaign=WaterproofRatingsExplained_BlogCTA_Performance\" target=\"_blank\" rel=\"noopener\"><b>here<\/b><\/a>, for the pros and cons of both.<\/p>\n\n\n\n<p>Having the correct layering system for your activity is equally important for regulating your temperature when you&#8217;re working hard. For more tips about how to create your own perfect layering system, click <a href=\"https:\/\/www.trekitt.co.uk\/blog\/how-to-layer-outdoor-clothing\/?utm_source=Blog&amp;utm_medium=Organic&amp;utm_campaign=WaterproofRatingsExplained_BlogCTA_Performance\" target=\"_blank\" rel=\"noopener\"><b>here<\/b><\/a>.<\/p>\n\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">How to know what your waterproof jacket is suitable for<\/h3>\n\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>We have also added various activity icons for products, which you can see below. These icons help you to see which type of activities we think the product is suitable for at a quick glance.<\/p>\n\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/blog.citrus-lime.com\/tkt\/wp-content\/uploads\/sites\/18\/2023\/10\/Activities.png\" alt=\"Product Activates Trekitt\" \/><\/figure>\n\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Now you\u2019ve heard all about it, fancy taking a look for yourself? Browse our comprehensive selection of waterproof jackets <a href=\"https:\/\/www.trekitt.co.uk\/outdoor-jackets\/waterproof-jackets-1?utm_source=Blog&amp;utm_medium=Organic&amp;utm_campaign=WaterproofRatingsExplained_BlogCTA_Performance\" target=\"_blank\" rel=\"noopener\"><b>here<\/b><\/a> and find the perfect one for you.<\/p>\n\n\n\n<p><a role=\"button\" href=\"https:\/\/www.trekitt.co.uk\/outdoor-jackets\/waterproof-jackets-1?utm_source=Blog&amp;utm_medium=Organic&amp;utm_campaign=WaterproofRatingsExplained_BlogCTA_Performance\"><br>Shop Waterproof Jackets<br><\/a><\/p>\n\n\n\n<p>If you have any questions or need some further advice about any of our products, you can visit us in-store at our Hereford Service Centre, or speak with our friendly customer service team via telephone (01432 263 335) or email (<a href=\"mailto:support@trekitt.co.uk\">support@trekitt.co.uk<\/a>).<\/p>\n\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h5 class=\"wp-block-heading\"><i>Written by Sarah Toal<\/i><\/h5>\n\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Waterproof and Breathability Ratings Explained Confused by technical specs? This guide simplifies waterproof and breathability ratings\u2014explaining key performance metrics, how they\u2019re tested, and how to choose the right jacket for your adventures. In SHORT&#8230; Eagle-eyed, loyal Trekitt customers may have noticed our new ratings system recently appear on some of our product pages. I know [&hellip;]<\/p>\n","protected":false},"author":74,"featured_media":6562,"comment_status":"open","ping_status":"open","sticky":false,"template":"single-full","format":"standard","meta":{"_price":"","_stock":"","_tribe_ticket_header":"","_tribe_default_ticket_provider":"","_tribe_ticket_capacity":"0","_ticket_start_date":"","_ticket_end_date":"","_tribe_ticket_show_description":"","_tribe_ticket_show_not_going":false,"_tribe_ticket_use_global_stock":"","_tribe_ticket_global_stock_level":"","_global_stock_mode":"","_global_stock_cap":"","_tribe_rsvp_for_event":"","_tribe_ticket_going_count":"","_tribe_ticket_not_going_count":"","_tribe_tickets_list":"[]","_tribe_ticket_has_attendee_info_fields":false,"footnotes":""},"categories":[98],"tags":[101],"class_list":["post-6394","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-kniowledge","tag-waterproof"],"featured_image_src":"https:\/\/blog.citrus-lime.com\/tkt\/wp-content\/uploads\/sites\/18\/2023\/10\/Blog-Thumbnail-With-Updated-Oswald-Font-2-scaled.jpg","author_info":{"display_name":"Lorna Preston","author_link":"https:\/\/blog.citrus-lime.com\/tkt\/author\/lornapreston\/"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Waterproof and Breathability Ratings Explained - Trekitt Blog<\/title>\n<meta name=\"description\" content=\"Waterproof and breathability ratings at Trekitt. Make your decision based on you&#039;re adventures requirements.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.citrus-lime.com\/tkt\/waterproof-and-breathability-ratings-explained\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Waterproof and Breathability Ratings Explained - Trekitt Blog\" \/>\n<meta property=\"og:description\" content=\"Waterproof and breathability ratings at Trekitt. 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