When you push the limits on your way to the summit, zip open the chest vents on the Allout Hooded Jacket to regulate your body temperature. Waterproof, breathable Ventia soft shell fabric deflects rain, snow, and energy sapping wind, and the fabric stretches to allow athletic movement during energetic ascents. . 50D polyester soft shell face fabric backed by Ventia Dry polyester backing. Waterproof, breathable Ventia Dry keeps water out and allows sweat to escape, keeping you dry and comfortable. Fully seam taped for complete waterproof protection. Movement mirroring mechanical stretch for unrestricted range of motion. 3 layer construction is lightweight and packable no separate lining. Articulated elbows for ease of movement. Zippered chest vents regulate body temperature. Fully adjustable wire brimmed hood. YKK AquaGuard zippers. Elastic cuffs. Storm flap behind front zipper. Two TwinZip pockets. Two internal Shove It pockets. Key clip. Drawcord hem seals out elements. Trim fit: Close cut apparel that moves with the wearer.