The Loose Fit Washed Duck Insulated Pant features: 80 gram 3M Thinsulate insulation for superior warmth without the bulk Quilted lining for easy on and off Ankle-to-thigh leg zippers with storm flaps Flexible waist for increased range of motion Reinforced kick panels for added durability Knee pad compatible Multiple utility pockets for added storage Triple-stitched main seams Fabric: 12-ounce, 100% cotton ringspun duck Imported