Genuine Leather Garter Straps for Kids Jodphurs. Leather strap that sits below knee to keep jods from riding up, and keep the knee patch in place. Helps prevent rubs from stirrup leathers while riding in paddock boots. Available in brown or black, match garter straps to paddock boots and belt. To size, measure your childs calf just below knee as shown in picture and double it. XS: 7"-10", S: 8"-11", M: 9"-12"