Modway Advance Office Chair, Black ERGONOMIC SUPPORT - Delivering a comfortable seating experience, Advance comes with a breathable mesh back, flip-up padded armrests, passive lumbar support, and a generously padded mesh seat cushion OFFICE UPDATE - Refresh your office with a desk or computer chair that makes a sleek and stylish statement. Sitting atop five dual-wheeled casters, glide around any flooring surface with ease ADJUSTABLE OFFICE CHAIR - Featuring a sturdy five-star nylon base and frame with armrests that easily rotate up, Advance is a versatile office chair that offers reliable support for everyday use SYNCHRONIZED TILT - Complete with synchro tilt and tension control that enables you to personalize to meet your needs, Advance also features one-touch height adjustment and 360 swivel OFFICE CHAIR MEASUREMENTS - Product Dimensions: 23.5"L x 25"W x 34 - 37"H; Armrest: 24.5" - 27.5"H; Base: 19"W x 21.5"H; Maximum Weight Capacity: 331 lbs