IB100 Professional's Choice Standard Ice Boots - 3x5 BlackIMPROVED DESIGN! Professional's Choice Standard Ice Boots 3x5 Black New suspensory strap provides even distribution of cold therapy to the pastern and fetlock areas. Neoprene exterior insulates the frozen gel pockets keeping the boots colder longer, thus increasing the therapy time. Smooth nylon lining eliminates the potential for damaging the tissue from exposing the skin directly to ice; while also preventing dirt, shavings and debris from sticking