Tecno-3 Iron Closure Mechanism: Features a robust steel wire for calf circumference adjustment and secure boot closure. Easily replaceable upper and cable holder components for long-lasting use. Ankle Support Braces & Air Ventilation System: Nylon braces reinforced with fiberglass support the ankle and provide flexibility front-to-back while maintaining lateral stability. Built-in air intake system with an aerodynamic button enhances comfort during rides. Zip Elastic Panel: Small elastic panel ensures smooth zipper operation, allowing slight movement as the zipper passes over the rider's ankle ball for added convenience. Shock Absorbing Heel Cup with Replaceable Slider: Polyurethane shell with visible shock-absorbing insert for heel protection and impact resistance. The mobile shell, faste.
eBay