Polartec Alpha insulation is warm, fast-drying and comfortable across a wide range of temperatures Lightweight Pertex fabric is breathable and highly water-resistant Stretch side panels for a comfort fit Zip handwarmer pockets 1 zip chest pocket Men’s size small Measurements in photos Outfitted with a full-zip closure, stand-up collar, and zipped pockets, this vest is both functional and fashionable. It's lightweight ensuring comfort in a variety of conditions. Whether you're cycling, hiking, or just out for a casual stroll, the Mammut Polartec Alpha Vest is a reliable companion for any journey.