The Thermoskin Hernia Belt has two flexible front pads that provide support and compression to inguinal hernias. Pads are adjustable to allow them to be properly positioned. Pads are removable if you only require one pad. Sizing Guide: Measure around the waist. Size Small 29 3/4 to 34 3/4 inches, Medium 35 - 40 3/4, Large 41 - 45 3/4, X-Large 46 - 51 3/4 inches.