The EasyCare Hoof Boot Gaiter is recommended for sandy or muddy conditions. It helps keep excessive sand and dirt out of the boot. It can also be used on horses who have a tendency to chafe. Originally designed for the Boa Hoof Boot, the gaiter works exceptionally well on the Old Mac’s Horse Boots and Easyboot Trail Boots as well as many other boot brands (Cavallo, Scootboots etc.) Sold in pairs.