Specification: Inline Skate: Aluminum Bearings: ABEC7 Shoe: semi-soft with ventilation system Material: Velvet Mesh EVA Synthetic leather High-density foam Breathable membrane Wheels: PU 80mm/82A (L 39-42) Clasp: Two-section buckle Velcro strap Lacing Inner shoe length: 230-255 mm Brake: Impact resistant PP Remarks: Not for commercial use 24 months warranty