HMK Men's Shell Throttle Pants (Orange, Large) XR Weatherproof (Silver) technology: Heavy duty corduroy material with fully taped seams for the ultimate in wind proofing/waterproofing/breathability/durability Shell pant with soft poly moisture wicking mesh lining for temperature and moisture regulation Zippered cargo pockets and a layered waterproof seat area to keep you and your essentials warm and dry Race specific articulation Integrated thigh ventilation