Riders Back Support A back support for horse rider or any sporting enthusiast that requires extra lumbar support. Ribbed airflow panels that help reduce sweating with removable aluminium bones. Adjustable waist. Was $37.95, Now $34.95 QTY: Size Please Select Size... Small: 22" - 28" Medium: 27" - 33" Large:32" - 38" XLarge: 37" - 43"