Lightweight, multi-purpose, flexible all-terrain Cavallo Trek horse hoof boot for barefoot horses as an alternative to metal shoes, users who need to replace a lost metal shoe, for rehab of an injured hoof or horses that have odd sized feet. Trek Regular tread pattern supports hoof wall, offers great traction and minimizes pressure. Features built-in sole relief that takes pressure off sole, bars and frog. Sole width is same as sole length so it's easy to measure. Unique features: Fits left or right hooves Pull tab for easy on Patented replaceable Velcro closure system Patented Pro Mesh molded TPU upper for high performance tear strength and abrasion resistance Honeycomb upper design optimizes strength and minimizes weightTrek Regular tread pattern supports hoof wall, offers great traction and minimizes pressure. Features built-in sole relief that takes pressure off sole, bars and frog. Sole width is same as sole length so it's easy to measure.Single boot.