The Graf G5500 Goalie Skate is an XLPE Teclite Mesh Composite quarter construction or boot construction. This type of mesh offers a harder boot to support direct impacts. A Thermolam construction system with AirNet Lining and Anatomical formed Ankle Padding offer a very comfortable boot with added flexibility. A CompTech outsole is made from durable hard plastic with a Graf Cowling that houses a stainless steel runner.