Sugoi Men's Titan Thermal Pant front : 100% Polyester passes AATCC TM 35-2000 Water Resistance test / front LINING : 100% Polyester / BACK : 94% Polyester, 6% Spandex / BACK : 94% Polyester, 6% Spandex Imported 14" locking ankle zippers and 2 front zip pockets