The Salewa Women's Pedroc Hybrid PTC Alpha Vest is a lightweight, synthetic Insulation piece built for speed and mobility. Stretch inserts Are body mapped to ensure freedom of movement, and elastic binding along hem and armholes seal out drafts. This Technical vest is filled with Polartec; Alpha; Insulation and wrapped in a wind-breaking, water-resistant shell that's made from bluesign; approved nylon fabric. The mesh lining is Highly breathable and works to keep sweat off your skin, making this vest an excellent option for hiking, running, biking and more. Features of the Salewa Women's Pedroc Hybrid PTC Alpha Vest Elasticated armhole Front zip with internal full-length windproof flap 2 Zipped outer pockets Elastic binding edged hem Ease of movement through stretch inserts Material functions match the needs of corresponding Areas of the body (body mapping) Soft breathable mesh lining