Helly Hansen Legend Pant Sealed seems and integrated boot gaiters keep you fully waterproofed from beltline to ankle Articulated construction moves with you to keep you covered and comfy  flexible, never binding PrimaLoft insulation keeps you warm and comfy  even your knees and backside will stay warm, whether you're stuck on the lift or running the longest route on the mountain Thigh vents let you control the temperature  close them up to stay warm on the lifts, open them to dump extra heat at the height of your run