... Straps Heavy black rubber Original manufacture Web Straps Horse Hoof Boot 00-XS Web Straps Horse Hoof Boot (S20031) ... useful for flat footed horses. The Barrier boot stays secure with a strong (and again, easy) nylon strap ... the boot for horses who require them. Feature: With Web Straps 00-XS, 0-S, 1-M, 2-L ... , 3-XL all of five sizeMaterial: 100% Rubber, Web StrapsColor: BlackSize: 00-XS, 0-S, 1-M, 2 ...