Sonic Cruiser Outdoor Skates - Sonic Cruiser Outdoor Quad Roller Skate,Gray,Mens 4 / Ladies 5 Nylon Boots: Sonic Cruiser ballistic nylon boots, reinforced nylon eyelets, soft terrycloth lining Plate: Nylon plates and trucks Wheels: 60mm High Rebound urethane wheels (85A) Bearings: ABEC 1 Sizes: Men's 4-12 (Ladies go down one size)