Cavallo Cute Little Boot (CLB) Regular Sole for Minis Protect your mini's hooves! The CLB is made of heavy-duty industrial-grade 1680 Denier Nylon Upper with a soft foam collar. Cavallo's signature-built side drainage slots allow water to enter and exit while allowing air to circulate, and the easy-to-use replaceable Velcro closure system has a reflective logo for safety. Features: Heavy duty 1680 Denier Nylon upper Fits left or right hoof Front opening upper system Conforms to individual hoofs and pasterns Soft foam collar Supple and flexible bulb Easy on, stays on Sold in pairs Item Specifications: Sizes: M1: Width: 2 3/8" - 2 11/16", Length: 2 3/8" - 2 11/16" M2: Width: 2 3/4" - 3 1/8", Length: 2 3/4" - 3 1/8" M3 Width: 3 3/16" - 3 5/8", Length: 3 3/16" - 3 5/8" M4: Width: 3 11/16" - 4", Length: 3 11/16" - 4"