The bib version of Helly's best-selling insulated ski pants delivers extra warmth on cold days.This classic resort bib is always in style; it’s known for its legendary performance. Our HELLY TECH® Performance construction makes it fully waterproof/breathable while 2-way stretch fabric gives you freedom of movement. We combined PrimaLoft® insulation and thigh-vent zippers so you can stay warm, or release heat based on conditions.