Bed Sore Protective Boots - Medium Pair in Black The Bed Sore Boots are used on the front legs to protect the front fetlock joint and pastern from the unsightly bed sores some horses develop from lying down. You can revent recurring blemishes, improve appearance and save money on bedding. Flexible neoprene cushioning provides comfort while breathable fleece lining allows the boot to be kept on for several days. Hook and loop closures makes it easy to put on and take off.