Polyurethane gloves offer outstanding performance Moisture-wicking palm Made with high-compression injection-molded foam 2.5-inch wide wrap around strap Hook-and-loop closure. Give that bag a beat-down while giving yourself an outstanding workout with the Benza Sports Heavy Bag Gloves. These gloves are made of durable polyurethane material and high impact foam. The palms feature a moisture-wicking material that keeps hands dry and comfortable. A hook and loop wrap around strap offers a tight and secure fit.