KL Skate Professional Inline Speed Skate, Inline Roller Skate Size 34-46 Upper material: Micro leather with 4 layers carbon and 4 layers glassfiber shell Frame: KL-WAVE 7075 aluminium series 4*100mm Wheel: Super High Rebound 100mm*24mm hardness 85A / Bearing: 608RS-7 Spacing: 165mm Size: 34-46