Arcteryx Alpha FL 30 Backpack Cardinal

£150.00

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Other colours available:
Arcteryx Alpha FL 30 Backpack Cardinal
Arcteryx Alpha FL 30 Backpack Dark Firoza

Ultralight, weather resistant and about as tough as it gets, the Alpha FL is a stripped-back climbing pack designed for moving fast and light in alpine and general mountain environments. 

ALPINISM AND CLIMBING
ALPINISM AND CLIMBING

Climbing equipment designed for efficient movement and protection in alpine environments.

ALPHA
ALPHA

Lightweight, minimalist climbing and alpinism products that protect from alpine environments.

FAST AND LIGHT
FAST AND LIGHT

Minimalist, high performance and light weight, for rapid travel in variable conditions.

Arcteryx Alpha FL 30 Backpack Cardinal

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What is the Alpha FL 30?

Ultralight, weather resistant and about as tough as it gets, the Alpha FL is a stripped-back climbing pack designed for moving fast and light in alpine and general mountain environments. 

What is the backsystem?

There isn't necassarily a backsystem on the Alpha; neither are there any internal stays! Everything stays incredibly stripped-back and minimalist to ensure the highest levels of durability and lightest weight. The load is supported by a laminated HD 80 high density polyethylene foam that also protects your back from protruding contents. The shoulder straps use a laminated construction of burly double weave nylon and soft edged Hypercell foam to distribute the weight without causing hot spots.

What is it made of?

This sublime pack is made using Arcteryx's amazing AC² (Advanced Composite) technology. AC² uses a lamination and coating process to create extremely strong, lightweight and highly water resistant fabrics. This process allows Arcteryx to create an almost seamless construction and allows direct placement of components, such as straps, eliminating stitching. This amazing fabric is then turned into product using complex 3D patterning, heat sealed seams and micro seam taping resulting in strength, stability, structure and minimal weight. The result is a featherweight, extremely water resistant and massively tough climbing and ascent pack. The main body of the pack is made using a high denier ripstop nylon that is exceptionally durable with a high tenacity tear strength and coated on both sides with urethane to create an air-permeable fabric that is 100% waterproof.

What are the features?

The minimal design of the Alpha 30FL does not include a traditional top pocket closure; instead a canoe bag type closure is used to create an internal watertight seal. An internal roll-top secondary collar is bonded to the main pack and seals the contents, this is then protected by a tough nylon ripstop external primary collar with a draw cord closure. These collars can both be extended to provide additional storage. A single lightweight webbing strap clips over the top to secure the load and can be extended to carry ropes. Crampons and ice tools are stored using webbing loops and a simple elastic bungee system that also compresses the load and adds additional external storage. Finally a small external zipped pocket with a key clip finishes off this simply stunning high performance and technically advanced pack.

  • AC² Advanced Composite technology
  • Weatherproof Roll Top extension collar adds additional carrying capacity
  • Thermoformed shoulder straps with soft edges
  • 6 integrated front lash points for crampons etc.
  • Twin ice tools attachment system
  • Elasticated compression system
  • External zipped pocket with key clip
Code : 18678-CAR-

Season : 2020S R

Weight : 0KG

Sizing Information

Arc'teryx Men's Bag Sizing Information

Sizing refers to your back measurements, not the size of the product.

  Bag Size
Your Back Measurement Short Short-Regular Regular Regular-Tall Tall
14"          
15"          
16"          
17"          
18"          
19"          
20"          
21"          
22"          
23"          
 
  Bag Size
Your Back Measurement Short Short-Regular Regular Regular-Tall Tall
35.5 cm          
38 cm          
40.5 cm          
43 cm          
45.7 cm          
48 cm          
51 cm          
53 cm          
55.5 cm          
58.5 cm          
 
1

Measure along the spine between the 7th cervical vertebra and the level of the hip iliac crest

2

Compare this measurement to the Sizing Charts

3

It is possible to interchange different size shoulder strap and hipbelt components on many Arc'teryx Packs, but this will not change or affect the back-length of the pack.

Technical Information

Weight: 585g

Fabrics:

- N400r-AC²

- N70r nylon 6 ripstop

Care & Advice

Getting the correct fit for your rucksack is as important as getting the fit right for your boots. A badly fitting pack can inflict misery and discomfort and completely ruin your adventure. This guide is designed to help you get the best fit and comfort from your chosen pack so that carrying all your kit becomes a pleasure and not a chore.

ADJUSTING THE BACK LENGTH

If the pack has an adjustable back length, adjust this to your correct level. Your back length is not related to your height but your torso length. Many packs, and specifically the bigger and more technical packs are available in different back lengths or feature adjustable back systems. Contrary to popular belief, your torso length and not your overall height is the key to getting a well fitted pack. Tall people don’t necessarily have long torsos, just as shorter people don’t always have a short torso length.

Your torso length can be found by measuring from your C7 vertebra (the bony protrusion at the back of your neck when looking down) to the height of your iliac crest (top of your hip bones, where you put your hands on your hips). This measurement will give you an idea of which pack back length to choose.

Once you've got the back length sorted, either by selecting the correct size pack or adjusting the back system, you can begin to follow these simple steps to help achieve a comfortable carry.

LOOSEN OFF ALL STRAPS

Before you start fitting the pack, loosen off all the straps as this will make it easier to get the correct tension later.

TIGHTENING THE HIPBELT

Fasten the backpack hipbelt, the general position is the same as where you’d put your ‘hands on hips’ This area is called the pelvic girdle, and what you can feel when you rest your hand on the area is the bony protuberance, the iliac crest. The iliac crest can support the weight from a pack comfortably, and for sustained periods. The padded section of the hipbelt should encompass this and fit securely.

Tighten the straps so the hipbelt feels secure and held firmly around your body. Ensure that the lumbar pad is centered to your lower back to give you maximum support. Remember that your hips carry most of the weight of the pack, so this should be firm but comfortable.

ADJUSTING THE SHOULDER STRAPS

Next, adjust the shoulder straps, pull them until they start to become snug, but ensure that they are not too tight as to lift the pack off your hips. Remember tightening them will stabilise the pack but will increase pressure over the shoulders. If the back length of the pack is correct the shoulder straps will be flush to your shoulders whilst the hipbelt sits in place comfortably. The point where the shoulder straps attach to the main body of the pack should be roughly half way down your shoulder blades; this ensures  that the shoulder straps rolls evenly over the top of your shoulders to distribute the weight correctly.

FASTENING THE CHEST STRAP

Fasten the chest strap and pull until taut but not tight, the elastic section should not be extended. This helps keep the shoulder straps from catching in your shoulder joints and keeps the stability of the pack when moving over rough ground.

ADJUSTING THE TOP TENSIONERS

Top tensioner straps link the shoulder straps to the top of the pack. When tightened, their main function is to stabilise the top part of the pack. The optimum angle for these straps in 45º, but they will stabilise the load even when horizontal or at a more obtuse angle. Tighten them until you feel the top part of the pack rest against your pack, over tightening them will create excessive pressure on the front of your shoulders.

ADJUSTING THE SIDE TENSIONERS

Side tension straps are linked to the hipbelt. By tightening these straps you can stabilise the load but reduce the hipbelt flexibility. Where balance is critical tightening them can help you feel more secure. However, if you are striding out over easy terrain it’s better to loosen these straps to allow full hip flexibility.

ADJUSTING THE SIDE COMPRESSION STRAPS

Side compression straps come next, pulling these tight does two things: firstly, it stabilises the load, secondly it can lift the lower part of the pack, repositioning the load closer to your back.

ADJUSTMENTS ON THE GO

Following these steps should give you a comfortable but secure fit on your pack. Sometimes adjustments will need to be made on the go depending on the terrain or the load you are carrying. The perfect fit is very much a personal preference so experiment with different tensions on the pack to find what suits you best.

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Arcteryx Alpha FL 30 Backpack Cardinal

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Excellent customer service. Really detailed easy to understand product descriptions on the Trekitt website, and gear reviews on the Trekitt YouTube channel made it so easy to choose the right backpack for me.

Emily - May 2020

Amazing service! Very helpful in regards sizing and what most matched my needs, despite this being done over the internet. YouTube videos of products being examined are very useful also. Would definitely use again, very fast and efficient delivery. Brilliant! Highly recommended!

David R - April 2020

Highly recommend. I usually go to the shop in Hereford as staff are alwasy very helpful and knowledgeable. So this was the first time I have purchased online and the service was just as good as the shop.

Grizzy - April 2020

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