A full wrap to ensure coverage even if they have an extra hard way of twisting while pushing off the ground. It can also be used for horses with arthritic hocks to prevent chill. The thin neoprene and double layer of fleece make a very comfortable but tough boot that can be worn full-time for those horses with deep chronic sores.
Stays in place 95+% of the time. Allows full range of motion while covering total area where most horses get hock sores.