Fitting Regular Plus Last. A perfect fit, with higher comfort in the toe box. Closure With 2 Velcro straps and Double Ring Speed Lace adjustment system. Upper Suprell Tech, with Morpho Cage A-M. The special space frame design to ensure greater stability, breathability and comfort. Heel Cup Pre-moulded ergonomic TPU heel cup to ensure better heel containment. Arch support EVA and anti-stretch fabric. Sole. The fiberglass-reinforced nylon sole offers good rigidity for effective power transmission. Compatible also for SPD cleat Upper Suprell-Tech Morpho A.M. Cage Outsole SPORT MTB JR carbonglass-reinforced nylon sole. Arch support EVA, anti stretch fabric, Fitting Race Plus Junior Closure 2 velcro straps, Dual ring Closure Heel Cup Inside Ergonomic Heel Support. Weight 240gr