Secondhand Premier Equine set of 4 Size Medium Fly & Bug Pro-Teque Boots (7)During summer months horse's legs can suffer from fly and midge bites, causing swelling and irritation. Crafted from a 3D ducted sports mesh, these fly boots allow air to flow and circulate around the horse's leg, keeping them cool on the warmest of days. Can be used on both front and hind legs. Excellent condition. One or two straps on one of the front boots is a little bobbled see photo.. does not affect use