These technical hind leg boots are specially designed for eventing. The dirt-repellent boot does not absorb water, provides maximum freedom of movement, and is made from high quality materials. Four polyethylene plates protect the hind leg tendons when hitting obstacles. The rear underside of the boot is made from Kevlar® for extra protection, strength, and durability. These technical hind leg gaiters are specially designed for competition use. The dirt-repellent, water-repellent gaiters ensure freedom of movement, and are made from high-quality fabrics. Four polyethylene plates on the front protect the rear limbs from impact with obstacles, while the rear underside of the gaiter is made of Kevlar® for added protection, strength and durability. Consult the size chart to choose the right size for your horse. Outer fabric: 2520 Denier Polyester, Microfibre Leather, Kevlar®. Inner composition: EVA (Ethylene Vinyl Acetate), Sandwich Mesh. Plate composition: Polyethylene. Lightweight gaiters specially designed for competitions with polyethylene plate for extra protection. Kevlar® protection on bottom. Polyethylene is a flexible material and the most common type of plastic. Kevlar® is a tough synthetic fiber. Kevlar® protection on bottom. Kevlar® won't tear, repels water and ensures freedom of movement. Three sturdy hook-and-loop fasteners.