The Mountain Hardwear Warp Factor Pant pairs ThermoCloud insulation at the seat and knees with articulated patterning, so these ski and snowboard pants stay warm where sitting and kneeling chill and bend freely through turns. Waterproof 2-layer recycled nylon ripstop keeps wet snow on the outside. What Our Gearhead(R) Experts Are Saying:"On deep days the internal gaiter anchors to my boot with its hook, and the elastic cuff closes over the top. Snow stays out of my boots even after a fall in powder."