The Alpha SV Jacket Men's by Arc'teryx is an extremely robust and anatomically cut GORE-TEX® PRO™ hardshell jacket for extreme weather in the mountains. In a revised design, i.e. with improved GORE-TEX® PRO™ material for maximum robustness. A recco reflector is also integrated for better visibility in emergency situations. There are also zipper pullers made of thermoplastic polyurethane (TPU), a helmet-compatible StormHood hood and underarm zippers.