Lightweight low-profile front and back panel design Press-Fit molded and ventilated comfort liner system Abundantly placed ventilation ports for maximum cooling Adjustable elastic closure with ratcheting buckle Adjustable shoulder straps and adjustable/removable shoulder pads allow rider custom fit and feel Fits most riders 120 - 185 pounds (54 - 84 KG).. GURD SENTINL LTD RD XS/SM