lemieux exo flex open boots black silverExo Flex Open Boots The perfect fusion of technology and functionality Delivers performance, protection and support for your horse Helps absorb impact Exo Flex outer shell for essential protection Carbon protection at the back of the tendon and on the side of the joint Protects the tendon and inner fetlock joint ACF biometric artificial cartilage foam layer, absorbing and dispersing 90% of the impact force when your horse lands after a jump Perforated