Sprenger 25mm Ultra Fit Slimline Boot Protect Round Neck SpurThe Sprenger 20mm Ultra Fit Slimline Boot Protect Round Neck Spurs are designed to be slimmer than traditional spurs with a specially angled spur strap loop for comfort and precision. The BootProtect design, a rubber coating on the inside of the spur, invisible from the outside while also keeping the spurs from slipping on the foot. Since the outer surface of the spurs is made of stainless steel, they are ideal for sensitive horses or during shedding