Roces Icon Rollerblades Black 400821 03 Men's Roces Icon Rollerblades will work during recreational driving on hard surface Shoe outer made of high-quality reinforced polypropylene glass fibre, a frame made of molded aluminum. Technology Easy Entry System make easier donning and putting on. Inner boot with anatomic insole gained system Cool Breathe responsible for ventilation. Tri-stage fastening. Rubber wheels set on ABEC-5 bearings. Technical data:·Easy Entry System : easy donning and donning skates·Cool Breathe: mesh provides proper ventilation·Hell Lock: buckle stiffening skate, protects ankle joint· modern inner boot , breathable fabric mesh·Comfort Fit: maximum comfort in use·bearings: ABEC-5·frame: polypropylene reinforced glass fibre (GFRP)·wheels: PU (commonly called rubber), 80 mm/82A·model does not include skating skid  Note: we recommend choose a size by one bigger