Achieve more from a comfortable seating position Overall Dimensions: 41 1/2H x 24 1/4W x 23 1/4D. Ratchet back height adjustment enables you to find an optimal position. FreeFlex fabric adds comfort during extended sessions. Seat depth and height adjustment makes it easy to find a spot that suits you. Arm rests feature adjustable height and depth so you can find the optimal typing position. 5-star base with dual-wheel casters and 360 swivel provide easy mobility. GREENGUARD certified - certified for low chemical emissions: UL.COM/GG - UL 2818. Ranked in two tiers: Certified and Gold. Less harsh chemicals - made with fewer harsh chemicals, or safer chemicals than typical alternatives, helping reduce your use of and exposure to substances that may be more harmful to your health and the environment.