The bib version of Helly Hansen'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. Their HELLY TECH Performance construction makes it fully waterproof/breathable while 2-way stretch fabric gives you freedom of movement. They combined PrimaLoft insulation and thigh-vent zippers so you can stay warm, or release heat based on conditions.