Valken Crusade Hatch Pants The Dura-Lyte construction is an ultra lightweight fabric built to last and can take a beating The knees are reinforced with 1680D Nylon and are fully padded and articulated to fit the curvature of your knee when you are crouching or kneeling Gusseted stretch panels can be found above the knees, lower back and crotch, allowing you to have an incredible range of motion