This back rest is the perfect complement for the Hazmore Silent Seat. The Hazmore back rest is light weight and made from quick drying moisture resistant material. It is low profile so it provides excellent lower back support for those all day sits. The Hazmore backrest is made custom for your Summit Tree stand, it attaches quickly and securely to the v in the back of your Summit seat frame with sewn straps and slide buckles. This backrest weighs only a few ounces so it does not add unnecessary weight or bulk. This is the perfect complement for the Silent Seat. Fits Summit tree stands