Step On® Convenience. Ion Performance. The men's Burton Ion Step On® Snowboard Boots combine the legendary fit and flex of the Ion boot with the intuitive ease of Step On®. The Ion's firm flex supports full-speed-ahead charging. Speedzone lacing and a BOA® adjustable snugger strap provide secure foot hold. Add out-of-the-box comfort, and we're talking about a true step on and go program for riders who like to rip. Features: It's full-speed-ahead with this boot's firm flex. A BOA® adjustable snugger strap complements Speedzone lacing for extra hold down with the quick turn of a dial. The Step On® system creates a clean and simple boot-to-binding interface that lets you step right in. No buckles. No Straps. No Fuss.