Bursa Rete Evo is a medium mesh back office chair with tilt, height adjustable polypropylene lumbar support.‎Swivel upholstered seat (fabric or leather covered) with height adjustment, polyamide base, rubber castors.‎Available with:- self-weighting synchronized mechanism- synchronized mechanism (both the backrest and the seat follow the movement of the body)CERTIFICATIONSD.‎L.‎ 81/80 / EN 1335