These 19mm leather reins with Biothane Grip are extremely popular among top riders, especially eventers. The pimple Pro Grip increases grip, flexibility and comfort when using the reins. Biothane gives constant grip in all weather conditions and will not stretch or snap under pressure. Benefits of Biothane – Mould Resistant – Reinforce inner core increases durability but doesn’t affect grip or flexibility – Easy to clean Sizes available: 44 , 48 , 52