This ultra-durable Korkers® CastTrax Cleated Overshoe provides sure-footed traction on mossy rock, ice, and slick terrain. 36 replaceable durable threaded carbide spikes, per pair, placed under the toe, heel and ball of each foot allows for customization and extends the life of the overshoe. The combination of aggressive rubber lug & carbide spike pattern provides unparalleled traction on any surface! Fishing accessory overshoe Easy on/off quick release buckle & strap system gets you in and out quickly Secure fit molded rubber walls at toe, heel, and side provide secure fit Includes 10 additional carbide replacement spikes & 1 buckle Inside dimensions of overshoe sandal: Medium: 11.25" x 4" Large: 12.75" x 4.25" XL: 13.5" x 4.5" XXL: 14.25" x 4.75" Shoe Size Chart: Medium: Men's 7-9.5 / Women's 8-11 Large: Men's 10-11.5 / Women's 11.5-12 XL: Men's 12-13.5 XXL: Men's 14-15 *Boots in image not included Style Number: KORFA5200-LG, KORFA5200-MD, KORFA5200-XL, KORFA5200-XX Korkers CastTrax Cleated Overshoe