Rab Mens Alpha Flash Jacket


All about this product



Drawing inspiration from the latest advancements in fabric technology, the Alpha Flash undergoes a revolutionary transformation, challenging the conventional norms of mid-layer apparel. Tailored for a spectrum of outdoor activities, from extended, frigid expeditions with limited resources to swift and minimalist mountaineering, the Alpha Flash consolidates essential features into a singular mid-layer solution.


Crafted from the highly breathable Polartec Alpha, this fabric exhibits an exceptional ability to swiftly wick moisture, ensuring optimal warmth and dryness even during intense physical exertion at the limits of endurance. Augmented by flexible fleece panels on either side, the Alpha Flash ensures unhindered movement, accommodating the demands of strenuous climbs. Notably compact, this mid-layer possesses an impressive warmth-to-weight ratio, solidifying its status as the ultimate cold weather companion for alpinists seeking both versatility and performance.

Technical details

Ideal use:

Walking, Hill walking, Mountaineering


Main body and Sides: 100% Recycled Thermic polyester

Insulation: Polartec Alpha: 94% Polyester, 6% Elastane

Key features:

Polygiene Stay fresh odour control treatment

YKK Vislon front zip, internal zip & chin guard

Low bulk cuff construction

flatlock, low bulk seams

Half hem drawcord

Tech specs:

Weight: 273g

Size and fit:

Fit: Slim



Technical features

Other features

Product Code
Reviews (4)

User Reviews (4)



This product is made from materials such as recycled, organic, alternative (fast renewable raw materials), a combination of these and/or does not intentionally contain any chemicals.
At least 50% Recycled Synthetics


This product as a whole or the individual materials within this product have the following certification(s). These are voluntary guidelines used to demonstrate their commitment to good environmental, social, ethical, and food safety practices.
Fair Wear

About this brand


The Rab story began in 1981 in the attic of a small, terraced house in Sheffield where Rab Carrington made the first sleeping bag to bear his name. Hand-stitched and devised with his own ingenious eye, Rab's experience from years spent in the mountains was apparent in his designs, and soon there was popular demand from Rab's friends and the growing local climbing community. Now, decades later, those honest, hard-wearing designs can be found all over the world; wherever adventurous individuals face up to the elements. From Himalayan peaks to cold, crisp evenings around a camp fire. This began as the brand's story, but it also belongs to those who've loved and cared for each and every one of our products. Who've made them their companions on long trips and expeditions. 


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