Lemieux Exo Flex Fetlock Boots Brown GoldExo Flex Fetlock Boots Technical Offer performance, protection and support for your horse Robust Exo Flex outer shell providing excellent protection with carbon reinforcements at the back of the tendon and on the side of the joint ACF artificial cartilage layer with biomimetic foam absorbs and dissipates up to 90% of impact whether from landing force or a direct strike to the boot Perforated dynamic neoprene inner molds to the horse's conformation and