Tough-1 No-Turn Overreach Boots These neoprene Tough 1 bell boots help keep your horse protected when overreaching, preventing unsoundness before it happens! Wide single fastener with tab provides large surface area for secure closure for easy on and off. Sold in pairs. Item Specifications: Double Layer of Air-Flow Perforated Neoprene Wide Single Fastener with tab Size: Small (3.75" tall, 10.5" around top) Medium (4" tall, 11" around top) Large (4.25" tall, 12" around top)