Product Number CMI-GCR3-PR, CMI-GCR3-BK Color Purple, Black Total Height Range 125.5-133.5 cm / 49.4"-52.6" Backrest Height 82 cm / 32.3" Backrest Width 58 cm / 22.8" Armrest to Armrest 71 cm / 28.0" Seat Width (including sides) 58 cm / 22.8" Sitting Area 38 cm / 15.0" Seat Depth 54 cm / 21.3" Diameter of Base 70 cm / 27.6" Seat Thickness 10.5 cm / 4.1" Armrest Adjustability 28.5-36.5 cm / 11.2"-14.4" Floor to Seat Top 48-56 cm / 18.9"-22.0" Height Adjustability 8 cm / 3.1" Recline 90-180 degree Armrest 2D Headrest Ultra-comfortable memory foam Lumbar Support Ultra-comfortable memory foam Outer Material Perforated PU Inner Material Backrest: cut foam, Seatbase: cold molded foam Frame Material Steel Base (leg) Steel Caster 60 mm / 2.4" Gas Lift Class 4 Max. Weight Load 150 kg / 330 lbs Chair Type Caliber R3 Series Product Gaming Chair