[Product Name] K2 SONIC / BLACK [Category] Freestyle / Ground Tricks / Run Tricks / Park Bindings that bring together fun and functionality. K2's SONIC is the perfect tool for riders who want to improve their skills. It features an ultra-lightweight and durable Profusion chassis and a soft P.I.- ankle strap. Equipped with 100% tool-less adjustment, all adjustments can be made without tools. Recommended boot size: 26cm-30cm Screws and washers are not included. Please prepare them yourself.