Built for performance, control, and durability, the CCM JetSpeed FT870R Senior roller skates deliver a supportive, responsive feel for confident outdoor play. Featuring a synthetic composite boot, they provide an ergonomic fit with enhanced stiffness and support in a lightweight, durable design. Synthetic composite boot: Ergonomic fit, additional stiffness and support, lightweight and durable. Two-Piece Aluminum Chassis: Aluminum frame boasting an ideal weight-to-strength ratio. ABEC 7 Bearings: ABEC 7 roller skate bearings offer great precision, suitable for high speeds and competitive play. CCM Rizon Wheels: Staggered wheels with an 82A hardness, suitable for outdoor surfaces, enabling agility and speed. HD microfiber liner: High resistance to wear with added EVA layer delivering fit and comfort deeper into the boot. ADPT Memory Foam: Multi-layered configuration with denser ADPT Memory Foam ankle pads creates a comfortable and snug skate interior. F7mm felt tongue with injected lacebite: Single-layer construction with injected lacebite protection. Wheel Configuration: Sizes 7.0-11.0 (2) 76mm (2) 80mm All CCM skates are fully protected by CCM’s official 90 day warranty, ensuring peace of mind and guaranteed quality with every pair. CCM Size Length in CM US Men's Shoe Size US Women's Shoe Size 7.0 26.0 8.5 10.0 7.5 26.4 9.0 10.5 8.0 26.8 9.5 11.0 8.5 27.2 10.0 11.5 9.0 27.7 10.5 12.0 9.5 28.1 11.0 12.5 10.0 28.5 11.5 13.0 10.5 28.9 12.0 13.5 11.0 29.4 12.5 14.0