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. The hood design is worth a mention, its close fitting around the face and head, the thinking here is that it will fit under a helmet - making the garment ideal as a belay jacket - but also the minimalist close-fitting design is also very weight-efficient for general use.
- Reviewed by Ultralight Outdoor Gear
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