Tough1 Hoof Guard Horse Boot Tough-1 hoof guard boots are made with a durable, poly, rubber material complete with an extra thick, cushioned safety sole. Designed with an easy, pull-on fit that secures with an adjustable nylon strap . Made to resist scuffs, scrapes, and tears. These boots work well for temporary use in case of a lost shoe by offering wonderful protection for the tender frog. Sold as singles. Specifications: Color: Black Measurements: Note: The manufacturer's measurements available at this time are below. They are working on the details for the additional sizing. 0: 4.5" inside width, 4.5" inside length, .25" thickness 00: 4" inside width, 4.5" inside length, .25" thickness 000: 3.625" inside width, 4" inside length, .1875" thickness 0000: 3.25" inside width, 3.5" inside length, .125" thickness 1: 5" inside width, 5" inside length, .25" thickness 2: 5" inside width, 5.5" inside length, .3125" thickness 3: 5.5" inside width, 6" inside length, .3125" thickness