Features of the Columbia Men's Hero Snow Pant Omni-Tech waterproof/breathable critically seam sealed Omni-Heat thermal reflective Insulated, 40gsm Exterior adjustable waist Articulated knees Zippered hand pockets Cargo pocket Bottom leg zips Internal leg gaiter Hammerhead reinforced cuff guard Fabric Details Shell: Omni-Tech generation dobby 100% Nylon Lining: Omni-Heat reflective lining 100% Polyester Insulation: Microtemp XF II 40g 100% Polyester. Color: blue