The overgirth is essential when racing or going cross country. It is a safety tool to keep the saddle in place in case the girth or girth straps break. It fits over the saddle and the buckle secures under the horse's belly. Made by Shepherds of 2" nylon webbing with a single buckle with one elasticated end. Suitable for ponies and horses and it comes in 4 sizes;Approx guide is X-small (small pony) small (pony/v small flat horse), medium (flat race horse/ small NH horse) and large (NH horse/ hunter/eventer) . Available in 2 colour choices; black or blue, grey and white striped. Weighs approximately 130 grams. Overall measurements are including a 21" synthetic leather strap approx; X-small (labelled pony on girth) 75", small 80", medium 84", large 88"