KORKERS "ROCKTRAX PLUS" FISHING CLEAT - A versatile cleated overshoe product that provides sure-footed traction on mossy rock, ice, and slick terrain. 52 durable push-through carbide spikes per pair placed under toe, heel and ball of foot. Quick release buckle & strap system for easy on/off. Molded rubber walls at toe, heel, and side provide secure fit. (shown installed on Korkers Chrome Boot). SIZES: M(8-9), L(10-11), XL(12-13), XXL(14-15)