With maximum 3L GORE-TEX® protection and a slightly longer cut, the Arc'teryx Sentinel LT Jacket rules on storm days and lets you stay out in comfort when others are bailing for the lodge. Durable 80 denier nylon face fabric with a GORE® C-Knit™ backer for soft, next-to-skin comfort combined with Arc'teryx's proven big mountain design prowess means all-mountain WINNING for you.