Roller Roces Jokey 3.0 Boy black-blue 400845 01 Roces Rollerblades are for kids and youth for recreational riding. Shoe structure and frame supported Growth Compensator system gives possibility to adjust size with one button located under heel. Outer shoe was made of high quality reinforced polypropylene glass fibre. Frame made of durable material. Technology Easy Entry System makes easy donning and donning more 3-stage fastening stabilizes the foot and secures against an accident caused by detachment. Inner shoe with anatomic insole gained a Cool Breathe system which supports ventilation stóp. So-called rubber shoes set on ABEC-3 bearings which are not the slowest but do not allow to develop dizzying speeds.  Technical Specifications:·Easy Entry System: easy donning and donning skates·Cool Breathe: mesh ensures proper ventilation·Hell Lock: buckle stiffening skate protects ankle joint·bearings: ABEC-3· ;technology Growth Compensator·adjustment size·lacing: traditional Velcro pressing heel·frame: HQ Polypropylene·wheels: PU (commonly called rubber) ·brake: easy to replace can be disassembled·maximum user weight: 60 kg·model does not include skating skid ·note: we recommend choose size o one bigger Size wheel:·26-29 - 64 mm 82A·30-33 - 70 mm 82A·30-37 - 70 mm 82A·38-41 - 72 mm 82A