This ergonomic chair with low backrest and mesh, with head support. It has an adjustable seat height. It also has lumbar support of the backrest. The armrests have with vertical and horizontal adjustment. It has a load capacity of 52 kg (114 pounds) / wheel. Seat dimensions: 51cm x 51cm (20,07” x 20,07”). Dimensions of the backrest: 47cm wide x 57cm high (18,5” x 22,44”). Seat height: 44cm – 55cm (17,32” x to 21,65”). With head support.