Givi E158 Backrest Pad For Trekker Outback 58 Liter Top Case OBK58A OBK58B Polyurethane backrest (black) Attaches with double stick tape Fits Givi Trekker Outback 58 Liter OBK58A and OBK58B (Does not fit the new OBKN58A or OBKN58B cases)