The Impala Rollerskates Impala Lightspeed Inline Skate are ready-to-wear skates that require no breaking-in, making for the perfect pair to begin skating. Easy entry lace-up vamp with adjustable straps and pull tab for a perfect fit. Round toe. Durable plastic outer boot with a breathable, padded boot liner. 70mm 84a durometer wheels (also fits 72mm wheels). The Impala Rollerskates Impala Lightspeed Inline Skate are ready-to-wear skates that require no breaking-in, making for the perfect pair to begin skating. Easy entry lace-up vamp with adjustable straps and pull tab for a perfect fit. Round toe. Durable plastic outer boot with a breathable, padded boot liner. 70mm 84a durometer wheels (also fits 72mm wheels). Abec-7 bearings. Optional heel brake. Two Allen wrenches included. Wheels come with straight alignment and can be adjusted to rockered. Branding on tongue and heel. Synthetic upper. Textile lining. Textile insole. Synthetic outsole.