Fetlock boots by Finn Tack without an inner protruding band to protect the pastern. Attaches with three Velcro straps. Made of a durable mixed plastic material, and has a neoprene lining. Available in three different sizes, which varies according to the length of the boot. SHT - Short Hind Shin only 10" height HLF - Half Hock Coverage 12" height FUL- Full Hock Coverage 14" height