Riders love the way the boot is designed to flex with the leg – giving freedom of movement but providing protection where it’s needed. Tough PU Shell Poron ®Xrd to give extra impact protection. Anti-slip top band Thermoformed construction which flexes with leg Lower strap to keep shell in position Suitable for road work and when travelling Sold as a pair To check the size of this boot you need to measure your horses leg just above the knee.  This boot will fit 30-36cm circumference Woof Wear Smart Knee Boots