Designed to fit directly over you wading boots, the White River Fly Shop Lost Lake Kicker's tough, fully-adjustable nylon straps buckle down tightly to ensure a secure fit. Float tube anglers searching for a pair of lightweight, hassle-free kick fins will love the comfort, convenience and propulsion the Lost Lake Kickers offer. 9 x 20. One size fits most. Imported. Lightweight and comfortable Fit over wading boots Rugged, fully adjustasble nylon straps