Helly Tech Performance Fully taped construction No shoulder seams Detachable hood Adjustable hood with drawcord and fastener Brushed polyester inside collar The Oxford Shell Jacket has a fully taped construction with Helly Tech Performance membrane, providing it with great breathability while remaining waterproof. It has a variety of adjustable features for fit, added comfort, and is highly resistant to wear-and-tear with ripstop fabric. Use it by itself or combine it with a base layer and fleece, this jacket is reliable all year long.