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What is the Helium 250?
Weighing less than most large water bottles, with the ability to pack down equally as small, the Helium 250 is well suited to warmer conditions. It is the perfect all-round sleeping bag for multi-day summer adventures or backpacking in hot countries.
What is it made of?
Sleeping bags in the Helium series are constructed with a 100% recycled Helium™ 20D outer layer, 90-10 Pure Duck Down and a lining of Supersoft™ 20D with a PFC free durable water repellent (DWR) for sustainable water resistant protection.
Insulation: 90-10 Pure Duck Down fills the sleeping bag, with a minimum fill power of 700. Pure Duck Down is a high quality feather down that feels lightweight and fluffy, offering a substantial amount of warmth in cold temperatures. The down in this product also comes from a Down Codex® Audited Source, making it a much more ethical and sustainable option than lesser quality down on the market.
Can't quite catch the lingo? Here's a quick break down.
Fill power - Fill power measures the warmth and efficiency of the down, alongside its ability to loft/fluff up. A rating of 700 fill power means that 1oz of this down fills 700 cubic inches of space when fully lofted.
Down Codex® Audited Source - Having a Down Codex® Audited Source stamp indicates that there was no unnecessary harm caused when sourcing 100% of the down and that it came from an ethical, traceable source.
Outer: Helium™ 20D - Helium™ fabrics are lightweight, ultra-compressible, high performance materials, perfect for products with weight and bulk at the top of their concerns. Their densely woven structure, using fine denier yarns, offers a layer of downproof yet breathable protection to create an incredibly versatile, functional fabric.
Lining: Supersoft™ 20D - Mountain Equipment has chosen Supersoft™ lining for its breathability and durability. This high quality material is soft to touch, yet weighing in at just 49g/m², it gives exceptional durability and breathability.
What are its features?
The Helium sleeping bag has been designed with the Alpine Fit 2.0, redeveloped from the original Alpine Fit to be marginally wider in vital areas. This fit still comes up slim, it is a tapered fit which helps maximise thermal efficiency without feeling restrictive. The Alpine Fit 2.0 allows better versatility in the overall fit and sizing of the bag, reaching a more comprehensive range of users without sacrificing performance and functionality. This shape also allows users to sleep in varied positions for ultimate comfort and an overall great night’s sleep.
A slanted box-wall baffle construction throughout helps maximise the loft and promotes the equal spread of down for added warmth, supported with mid-level side seams.
The main entrance into the bag is a 140cm zip, with an integrated neck collar and Lode-Lock closure. The Lode-Lock closure is a magnetic fastening that is super simple and easy to use. It helps prevent the zip from opening as you move around, keeping you fully covered as you sleep. There is also a full-length, down-filled Gemini baffle running alongside to prevent warmth escaping at the zip, a feature to be grateful for when the temperatures drop after sundown!
A five baffle set up in the hood keeps your head toasty all night long, even after reoccurring use. Anatomically shaped for the best coverage, the hood is low volume to reduce bulk and provide more breathing space.
Down at the toes, there's a four baffle anatomically shaped, offset foot box. The shaping of the foot box gives wriggly sleepers a little extra space, helping alleviate feelings of restriction within the sleeping bag and encouraging a much more natural sleeping position.
A waterproof roll-top stuffsack is provided for on-the-go carry, alongside a storage cube for home storage. The best way to store a sleeping bag, especially when on the move, is to literally stuff it into your stuffsack. Randomly stuffing the sleeping bag helps prevent cold spots from creases that form when sleeping bags are folded up. At home, stuff it into the storage cube all the same. The storage cube is less compact than the stuffsack to enable the down to stay lofted when stored for a longer period - this enhances the warmth and contributes to maximum performance when it comes to using it again.
Features:
- 100% recycled Helium™ 20D outer shell is very light and highly breathable with PFC free DWR
- 261g of 90-10 Pure Duck Down with a minimum fill power of 700
- Alpine Fit 2.0 improves comfort and maximises thermal efficiency
- Slanted box-wall baffles throughout
- Mid-level side seams
- 5 baffle anatomically shaped hood
- 4 baffle anatomically shaped and offset foot-box
- Full length Gemini zip baffle with 140cm zip and integrated neck collar with Lode Lock closure
- Right-hand zip
- 100% recycled Supersoft™ 20D lining with PFC free DWR
- Supplied with waterproof roll-top stuff-sack and storage cube
- M.E Good Night’s Sleep Guarantee: 1ºC/34ºF