Lemieux Exo Flex Fetlock Boots Brown Gold 1 Logos Oficiales Tecnolgico Nacional de Mxico. Exo Flex Fetlock Boots Technical design 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, biomimetic foam absorbs and dissipates up to 90% of impacts whether from pure landing force or a direct strike to the boot Perforated dynamic neoprene lining inside molds to the horse's shape and supports the tendon and fetlock Breathable bamboo inner lining, cooling nylon and 3D mesh fabric on the outside Forward facing vents channel airflow to cool the tendons while upper vents expel rising heat Interchangeable straps when needed Three adjustment lengths for a precise fit