Made of durable cordura fabric stands up to tough jobs yet is sot enough for delicate work surfaces. Solid 1/2 inch closed cell foam padding provides firm and comfortable fit. Woven elastic strap adjusts to an exact fit and improves wearability and comfort. Adjustable buckle easily fastens for a comfortable, exact fit, keeps free from dust and grime. Wipes clean with damp cloth. The 230HL has a hook and loop closure and the ProFlex 230 has a buckle closure. One size adjusts to exact fit.