Ideal for mountaineering, alpine climbing, mountain walking or for any activity where warmth and breathability are paramount.
Alpha technology looks set to revolutionise how synthetic insulation is used in the mountains.
||||Polartec Alpha, Overheating is Underperforming - So unlike traditional synthetic fill or down, Polartec Alpha allows a free exchange of air to keep you warm, comfortable and focused. Developed for U.S. Special Operations and now available for outdoor enthusiasts, it takes performance fabric—and you—to a totally new place. Click the Logo to read more...
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A matt finish to the fabric gives it fashion appeal but the real story is in Polartec Alpha itself, 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 - Strata is about keeping you vented even though you are also being kept insulated.
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.
From a design point of view it has all the features you would expect to find on a quality product from RAB, two handwarmer pockets and a chest pocket keep you organised. The cuffs are part elasticated for a relaxed fit.
Internally the lining is zoned with mesh in the areas where breathability is most important, such as the torso and underarms.
- Reviewed by Ultralight Outdoor Gear
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