If you need a chair with ergonomics and customization in mind, look no further than the Elama Full Back Mesh Adjustable Office Chair with Headrest in Black. This chair has customizable features like adjustable headrest, lumbar support, seat height, and back tilt so you can make it perfect to your size and liking. The chair can even tilt back into a near horizontal position. With full mesh back, this chair is light and breathable so you'll barely feel it's there and the sponge padded seat will be comfortable for hours. A 5 wheeled 360 degree swivel base makes this chair easy to maneuver around your office space. HH-910 Mesh fabric office chair Black frame Color: Black Sponge: Primary sponge Mesh fabric on back and seat Without footrest Product size: 25.59 x 24.80 x 47.64-50.98 Inches Armrest: Adjustable armrest Butterfly mechanism Class 3 gas lift Foot material: 320mm nylon base with wheel 1pc/brown box size: 28.74 x 14.96 x 24.40 Inches N.W./G.W.: 24 / 29 UPC code: Add label on a bottom of the seat With warranty card. All materials meet with BIFMA standard Seat Height: 16.34 - 19.29 Inches