Equifit GelCompression KneeBootWe love that these boots provide a convenient way to provide cold or heat and compression therapy, all in one boot. No machines, cables, or wires are required. Help keep injuries at bay and provide much needed support to the hard working horse or those with stiffness, soreness, or swelling. The Technical Stuff: GelPak core adheres to the outer shell of the boot, retains intense heat or cold, and stays pliable even out of the freezer to conform to the