A favorite of professional rider Tarah Mikacich, O'Brien Spark wakeboard bindings are designed with the softest, most flexible fit ever. Dual lace zones provide pinpoint adjustment all over your foot. Integrated TPU ankle strap give you superior hold and pull your foot into the heel pocket. Ultralight liner is comfortable and lightweight, and the 2.5° canted chassis eases stress on your legs by keeping your stance more natural. Power arch in the Spark boot supports your arch on bigger landings. Sold as a pair. Spark Binding sizes: S(4-7), M(6-9), L(8-11).