Impala Rollerblades / Inline Skates - Fairy Floss Impala Rollerblades / Inline Skates -features: Ready to skate, no wearing-in required Durable plastic outer boot with comfortable, breathable, padded boot liner Easy entry buckle and lace combo 70mm 80a durometer wheels (also fits 72mm wheels) Abec-7 bearings Optional heel brake and two Allen wrenches included Wheels come with straight alignment, can be adjusted to rockered PETA-approved vegan product *Please note cm measurements are approximates.