Rab Alpha Flux Insulated Jacket

Polartec Alpha Direct Insulation 90/sqm
Weighs 360g (Medium size)
Code: SS17124
  • Now £124.99
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The Men's Alpha Flux Jacket is a highly breathable, lightly insulated outer or mid-layer that uses Polartec Alpha ‘Direct’ technology and stretch fleece for ‘on the move’ multi-season use.

Rab says:

The Men's Alpha Flux Jacket is shelled in a new super-soft yet durable, woven outer fabric which has a high level of air permeability. This is paired with our Thermic-lux™ light, stretch fleece in strategic areas of the body to allow freedom of movement and to reduce bulk. The result is the perfect insulation piece, created with Polartec® Alpha™ “Direct” 90 insulation; ideal for changeable conditions from early Spring right through to late Autumn.

As an outer layer the Men's Alpha Flux Jacket keeps your body temperature in balance when you need a degree of warmth while working hard in the mountains. It also serves impeccably as a warmer, fast drying mid-layer in windier, cooler conditions.

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Rab's Alpha Flux Jacket uses Polartec Alpha breathable insulation, a more modern version of a lightweight fleece, that keeps you warm but lets sweat out, even when active. Polartec Alpha Direct insulation is basically the same but with the mesh liner removed, so you get more unimpeded airflow (not to mention less weight and bulk) without sacrificing warmth. It also feels super soft against your skin!

Designed to be worn when you are active - so on the move - there are alternative insulation garments that are more suited to wearing around camp - Polartec Alpha is about keeping you vented even though you are also being kept insulated. In truth the insulation value is quite moderate so it only really comes into its own when you are exerting yourself and you need insulation but can easily get clammy if the garment doesn't breath.

Its quite a breakthrough, especially for cold weather walking when you need insulation but start sweating hard when you reach a strenuous bit. Weight for weight Polartec Alpha is only about half as warm as Primaloft so the king of insulation keeps its crown - but Alpha has its place - I recently wore an Alpha garment all day while walking in Corsica in particularly cold conditions and stayed warm & comfortable for the duration - I kept checking my baselayer, which stayed completely dry.

This Alpha Flux jacket only has insulation in the back and front torso, and the sleeves, the sides have a stretch panel for breathability and comfort and the hood is made from the same un-insulated material. The outer shell fabric has a high stretch performance as well so that the whole garment stretches and moves as you do. Thumb loops offer flexibility of use, the hood has no adjustment - its a simple stretch fit.

- Reviewed by Ultralight Outdoor Gear

Read reviews here:
Help and advice: Synthetic Insulation explained at Ultralight Outdoor Gear  
  • Polartec Alpha Direct 90 insulation
  • Under helmet hood
  • YKK front zip, internal storm flap, chin guard
  • 2 YKK zipped hand pockets
  • Stretch fleece side panels, cuffs and thumb loops with Polygiene STAY FRESH odour control treatment
  • Small weighs: 340g
  • Medium weighs: 360g
  • Large weighs: 374g
  • XLarge weighs: 394g
  • XXLarge weighs: 420g
  • Fit: Slim
  • Polartec Alpha - 100% polyester (78% recycled)
  • Polygiene side panels - 94% polyester, 6% spandex
Showing our 1 review for Rab Alpha Flux Insulated Jacket. Write a review ›
Review Summary - 4 out of 5 based on 1 rating.
March 16, 2017 | SGR
Great lighweight layering piece

A great lightweight layering piece, ideal for replacing a fleece with something more weather resistant.
Please see here for our full review of the product: http://www.succinctgearreviews.com/2017/03/rab-alpha-flux-jacket.html

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