Specification:Inline Skate: Aluminum Bearings: ABEC9 Shoe: semi-soft with a ventilation system Material: Velvet Mesh EVA Synthetic leather High-density foam Breathable membrane Wheels: PU70 mm/82A (S 31-34) PU76 mm/82A (M 35-38) PU80 mm/82A (L 39-42) The inner length of the shoe (mm): 225-245 Clasp: Two-section buckle Velcro strap Lacing Brake: Impact resistant PPRemarks: Not for commercial use 24 months warranty Importer: Abisal Ltd. | Poland | 41-807 Zabrze | Pyskowicka Street 17 | e-mail: abisal@abisal.pl Abisal Ltd.. declares that the products sold by the company are safe and meet the requirements contained in the Act on General Product Safety of December 12, 2003. (Journal of Laws of December 31, 2003)