Columbia Men's Winter Way Pant 100% Other Fibers Imported Omni-Heat thermal reflective and insulated Omni-Tech waterproof/breathable fully seam sealed Leg venting. Exterior adjustable waist. Interior security pocket. Articulated knees. Zippered hand pockets. Back pockets Internal leg gaiter Omni-Tech Legacy Twill 100% nylon, Omni-Heat Reflective Microtex Light 100% polyester, 60g Omni-Heat Thermal Insulation