Ergonomic Backrest with SmartFit system technology and adjustable straps works in nearly any chair. Easily customize backrest height for maximum firm support of spine and lumbar region. It is heightadjustable for customized lumbar support. Four independent springs conform to fit body shape and articulate with posture and position. Ventilated supports allow air circulation to keep the back cool and dry. Easytoremove nylon fabric cover can be machinewashed as needed. Backrest is TAA compliant.
