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