Helly Hansen Crystal Jacket - Women's: Classic Helly Hansen form & function in a stylish, fully featured ski jacket. Clean style with a technical edge on the inside where it counts. Our female resort ambassadors reach for the Crystal Jacket when they need to pick one insulated jacket for the mountain. It features a highly-breathable, waterproof Helly Tech® Professional 2-way stretch fabric for maximum protection. The H²Flow™ system keeps you cool as activity increases, and warm when you cool down. This athletic jacket combining full 2-way stretch fabric, insulation and lining for ultimate movement in a stylish, fully featured ski jacket.