5 barrel metal hinges

300D waterproof breathable Ripstop

58% Cotton/40% Polyester/2% Spandex

Crafted from high-quality poly-cotton blended twill fabric

The lens is structurally supported by a durable polycarbonate sub-frame

Washed Duck Sherpa-Lined Sierra Jacket, Black Shirt Size:3XL 5 barrel metal hingesDescription Engineered For High Warmth in Severely Cold Conditions. See Technology section below for more details. Features 12 ounce, 100% ringspun cotton washed duck Sherpa lined body for warmth; Quilted nylon sleeve lining for warmth and easy on and off Attached sherpa lined hood with hidden drawcord Pleated elbows for ease of movement Internal rib knit storm cuffs help keep out the cold Pleated bi swing back for extra stretch across the shoulders