Designed to offer comfortable and versatile protection for long days exploring outdoors, the Arc-teryx Zeta jacket is constructed from the latest and most breathable GORE-TEX membrane highly prized for its lightweight, breathable properties. Inside this waterpoof membrane sits a GORE C-KNIT backer which provides next-to-skin comfort over thin baselayers. Hitting at the waistand featuring an adjustable StormHood with adjustable drop back hem the Zeta jacket is the pinnacle of all round weather protection.