Professionals Choice Professional's Choice Large Ice Boot Professionals Choice Nine Pocket Ice Boot (Pair) Professional's Choice Full Leg Ice Boot Professional's Choice Ice Boot IB100 BLA Ice Boots Standard by Professional's Choice. Professional's Choice Full Leg Ice Boot Neoprene exterior Extended hook straps Sold in pairs These full height ice boots are designed to apply cold therapy from the knee or hock down. They feature a neoprene exterior with insulated pockets retaining a non toxic solution. When frozen, these pockets remain flexible, providing comfort while increasing therapy time. A smooth nylon lining prevents shavings and other debris from sticking to the boots while also eliminating the risk of damaging skin from direct exposure to ice. Elastic hook and loop straps allow for easy and secure application. To activate, place boots in the freezer until frozen. Once the boots are frozen, they can be transferred to an ice chest or cooler for application at a later time. For a longer lasting cold therapy session, wet your horses legs before application.