This impressive boot has it all! The will hold up to not just barefoot horses, but shod too! Even shoes with studs are no confrontation to this boot. With the soft foam top cuff and custom molded heel flap, your horse's feet will thank you. Just like other Cavallo boots, there are drainage slots at the bottom, so no need to stay clear from water. Air is able to move freely in and out of this boot. Also featured is built in sole-releif that takes pressure off of the frog as well.