Designed for traditional and two-handed delivery, T H E C-9 Sidewinder BOA from Dexter is the most technically advanced bowling shoe ever made. Its powered with our breakthrough patented Toehold Hyperflex Engineering technology and features our Cloud9 energy return midsole to keep your feet feeling great. Lateral support helps secure the foot during approach, and the high cuff helps lock the foot in place for optimal energy transfer. Side support straps are tied to the BOA fit disc lacing system for instant adjustability that you customize once and go.