Stubben 1208 Stainless Steel Matt Flexi Grip Stirrup Size:4 3 4" these Muck Boot MB Arctic color_42265 purple these Muck Boot MB Arctic Sport II Tall Wellington Boots have a warm fleece lining to keep your feet toasty in temperatures as low as 40C Featuring a grooved sole for extra grip and a Kevlar® interior for durability it also has an asymmetric zip to give the boot a really close fit (and prevent it opening) stopping bedding and other debris from getting inside the specially hardened stirrup joints offer the highest level of safety and have a shock absorbing effect on the rider's joints and ligaments low weight thanks to the innovative design of the step surface