Set with 4 pack tendon protectors and hind leg boots. Shell of polyurethane (PU) that withstands impacts, shocks, and abrasions. Soft, woolly inside of synthetic sheepskin. Ventilation holes that dissipate heat and inside in flexible and shock-absorbing neoprene. Tendon protectors with quick lock and boots with strong Velcro. Delivered in a stylish box.