Introducing the all-new Grid 90! Loaded with tech features and a sleek, stylish design, the K2 Grid 90 Hard Boot skates are engineered to deliver unparalleled performance, comfort, and control for the advanced skater.The Grid 90 boasts a nylon shell and cuff that provide a stiff, responsive feel while absorbing vibrations to keep your feet comfortable during long sessions. The integrated Vortech air channel ventilation system ensures your feet stay cool, no matter how intense your skating gets.The Flex Lock feature offers adjustable support and an enhanced range of motion, allowing you to tailor the skates to your style and preferences. Built with an aluminum mounting block that provides a responsive connection to the shell, the 3mm fore/aft frame adjustments let you fine-tune your fit for maximum performance.