The KP250 Centurion Knee Pads feature half-inch, high-density foam, covered in durable Cordura nylon for durability. The polyurethane thermoplastic nonslip caps with color-keyed grommets provide additional shock absorption and ensure long lasting wear in the field. Dual hook and loop fastened 1.5 in. (3.8 cm) wide elastic straps with reinforced bar tacking provide a comfortable and secure fit. One size fits all. Colors available: Black, Olive Drab and Day Desert Tan.