The Bont Riot+ BOA shoes offer a velcro and BOA adjustment. Designed with fiberglass with anti-stress microfiber on top. It is the material of the cover that fits, not the carbon of the sole. Technology: - BOA L6 Dial closure system with steel chords and nylon wires designed to face the long list of deficiencies found in traditional buckles. It can be adjusted to perfect perfection with a simple twist, free from the stretch, weight and discomfort of old-fashioned buckles. With this system, comfort durability are improved, guaranteeing a lightweight, fast and comfortable operation, and adjustment on the move.