Timberland PRO Men's Gut-Check Insulated Bib with Overlay Main Fabric: 100% Cotton; Trim: 75% Cotton/25% Nylon; Insulation: 100% Polyester; Lining: 100% Nylon Imported Machine Wash Rugged 12-ounce cotton canvas with durable water-repellent finish for top performance in any conditions Knee overlay, pocket binding and back-hem kick plate in rugged cotton, nylon all offer reinforcement where you need it Fully lined in 100-gram polyester with quilted nylon for extra warmth and protection Crotch gusset lets you bend, kneel and reach with comfort and security Heavyweight adjustable elastic suspenders and front bib pocket for added convenience