Cortech GX Sport Pants - Large/Black Performance cut, 600 denier Carbolexshell with 1680 denier Ballistic polyester knee panels for comfort, durability and abrasion resistance Removable waterproof barrier Phoslitereflective material panels and piping for increased nighttime visibility Durable, 1680 denier Ballistic Polyester seat panel to minimize slipping Double-stitched construction throughout