LOOSE FIT FIRM DUCK INSULATED BIBERALL - 4 EXTREME WARMTH RATING 12-ounce, 100% ringspun cotton duck Quilted lining for easy on and off; Arctic-weight polyester insulation for ultimate warmth Carhartt strong triple-stitched main seams Cordura®-reinforced kick panels add durability Two-way front zipper with storm flap Ankle-to-thigh leg zippers with storm flaps Knee pad compatible Zip pockets Cargo and back dungaree pockets These are in excellent condition, worn only 5 or so times.