"Our mesh back task chair provides comfort and ergonomic support for any office environment. It features ratchet back height adjustment, two adjustable height armrests, a pneumatic gas lift seat for easy height adjustment, and adjustable tilt tension control. Its versatility is augmented by a gray mesh back with lumbar support and a breathable gray mesh fabric seat. All of this is supported by a 25"" black nylon high crown base and five hooded double wheel casters. Gender: unisex."