Skate specifications Colors: 1 - Full Black 2 - Black Gold Follow The skates come with a comfortable sponge lining, breathable mesh fabric (removable and washable). The skates come with a triple safety lock, fixed, fine adjustment lock. Fixed shoelace. Shock absorption. Thick. The skates come with the best manufacturing materials, including: Polyurethane, a highly flexible material. Wear-resistant wheels. The wheels are made of aluminum alloy. Hard and durable shoe shell made of PP geometric induction molding. Wheel size 85/76. Bearing size 7. Large size roller skates, semi-medium use, fits size 45.