Product Features Ultrashock lining - provides protection and shock absorption Ballistic binding - provides high degree of durability Covers back of hoof to ground - Superior protection to critical areas of hoof Double hook & loop fasteners - stays on securely and will not come loose while riding Soft, padded rolled pasterns - reduces rubbing, keeping horse more comfortable No-turn knob - keeps boot from turning, remaining in correct position for better protection The Professional's Choice Ballistic Overreach Boots are made with tough DuPont ballistic nylon, the original and revolutionary material used in bulletproof vests. The Professional's Choice Ballistic Overreach Boots use this durable ballistic nylon as the outer covering of the bell boots wrapping all the way around the hoof and then bind that material at the bottom of the boot and stitching. These ballistic boots are super tough and are more than capable of withstanding the abuse your horse give while riding, competing, training, or eventing. No matter what your discipline is, this is one of the best products to keep your horse protected. The Ballistic Boots are a critical part of not only daily riding, but are extremely important during training to prevent injury as your horse makes those initial mistakes, mistakes that often results in hoof contact and potential injury. If you can keep your horse out of pain, you'll get much better results doing your training sessions. The Ballistic Overreach Boots are designed to complement Professional's Choice protective boots, including the entire range of Protective Sport Medicine and Splint boots. Sold in pairs. SIZING CHART: BALLISTIC OVERREACH BOOTS BELL BOOT SIZES: S M L X-L XX-L XXX-L Ballistic Overreach Boots BB251 BB252 BB253 BB254 BB255 BB256 Horse Height (in hands) 13 - 14 14 - 15 15 - 16 16-17 17 -17.2 17.2+ Pastern Circumference: 8" 8.5" 9" 10" 11" 12" Boot Heigh