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.