Ultra light jacket integrating waterproof panels for foul weather, and innovative Quick Stash waist, a stretch panel around the waist that enables you to remove and store your jacket without stopping. Material and patterning on the upper spine enables free neck and head movement, even while wearing the skin-fit hood. Added volume around the shoulders provides complete range of shoulder movement without affecting the close fit of the jacket. Superior stretch construction all around the chest that follows your movements without restriction. 3/4 length front zipper. Polyester, Elastene.