The O'Brien Plan B Wakeboard Boot features 3 removable, reversible, and replaceable Velcro straps for the perfect fit and maximum customization. Lube-free entry means you're ready for the water sooner. Superior orthotic footbed lets you wakeboard all day without discomfort. Combination J-bars for ultimate heel hold. Strobel lasted liner. CMEVA outsole. Plan B Boot sizes: XS(4-6), S(6-8), M(8-10), L(11-13), XL(12-14).