OXFORD SHELL Jacket HELLY HANSEN®. 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. Helly Tech® Performance, fully taped construction and no shoulder seams. Detachable hood and adjustable with drawcord and fastener. Brushed polyester inside collar, YKK® front zipper with chin protector and front storm flap. Hand pockets with YKK® zipper, inner chest pocket and embellishment zipper. Articulated sleeves for optimal mobility, adjustable cuffs, adjustable hem with elastic drawcord and extended back for improved comfort. Main fabric: 100% Polyester, 255 g.