LeMieux Derby ProJump Black Fetlock Boots help to keep your horse from injuries during showjumping and are made of a Hardened TPU shell which contours to the inner joint of your horses fetlock joint. LeMieux Derby ProJump Fetlock Boots has a line of vents releases any heat build-up. Single elasticated double velcro strap ensures a close fit of the fetlock boots. LeMieux Derby ProJump Fetlock Boots are available: Black, Navy & Brown in Medium