Built for cold-weather performance, the TUO Solent Pant features a rugged 340g 3-layer polyester fleece outer with a check fleece backing for all-day warmth and comfort. The 4-way stretch fabric and articulated elbows provide unrestricted mobility, while the AeroGuard(TM) windproof membrane blocks harsh wind without sacrificing breathability. 340g 3-layer polyester fleece outer with a check fleece backing for warmth and comfort 4-way stretch for range of motion AeroGuard(TM) windproof membrane stops the wind Functional zip fly 6 pockets for storage (2 front waist, 2 thigh cargo, 2 zip rear) Side seam vent zips with mesh lining for temperature regulation Articulated knees and inner thigh gusset for a better fit and improved mobility Knee-length side seam zippers