The STIHL ADVANCE X-Flex FS harness fits to the ADVANCE X-FLEX waist belt (sold separately), making it possible to comfortably work with brushcutters and clearing saws. The FS harness is a shoulder harness which is additionally equipped with a support cushion with a comfort hook on the right-hand side, allowing the operator to conveniently attach the brushcutter. The weight of the device is optimally distributed while working, and a side bolster is mounted on the opposite side of the support cushion to ensure even load distribution,  protecting muscles and joints.An elastic back plate adapts to movement for more comfortable working, and the height-adjustable chest buckle also ensures optimum wearing comfort.The ADVANCE X-Flex FS harness is part of the STIHL ADVANCE X-Flex modular harness system. You will also need the STIHL ADVANCE X-Flex waist belt to be able to use the FS harness. You can attach the FS harness to it thanks to the attachment eyelets and an insert.The ADVANCE X-Flex FS