12-ounce 100% cotton ringspun duck - Quilted nylon lining for easy on and off; 3M Thinsulate featherless insulation through the legs for warmth without the weight - 100% polyester insulation - Carhartt-strong triple-stitched main seams - Adjustable elastic suspenders with webbing slider for personalized fit - Stretch side panels for a precise fit - Multi-compartment bib pocket with zipper closure for electronics - Two large lower front ledge pockets - Reinforced back pockets - Double-layer knees with openings for adding knee pads and cleaning out debris - Ankle-to-knee leg zippers for easy on and off - Reinforced Cordura 360-degree kick panels around cuffs add durability