ADJUSTABLE IS AN UNDERSTATEMENT: Sit back and marvel at the malleable Prestige by Wellnewlife. A true posture chair that adjusts head to toe, adapting to your body with intelligence. From 5’4” to 6’6” up to 300lbs, long or short limbs and torso, Prestige makes it easy to build your perfect desk posture from the ground up. Sleek black, it’s the most comfortable office chair for sitting all day. Build Your Perfect Posture with Prestige. 4D ARMRESTS and 3D NECK SUPPORT: Prestige Arms 1) slide forwards and back, 2) rotate in and out, 3) slide left and right and 4) up and down with a range of 26.3” to 30” from floor to arm. PU armrests are firm with a slight cushion for support. The office chair headrest attachment adjusts 1) vertically, 2) head angle and 3) base angle. Never endure uncomfortable head and neck placement again. MOVEABLE BACKREST AND SEAT DEPTH: The entire backrest and lumbar support moves up and down for your torso, while the seat depth adjusts from 19 to 21in for your legs. The vertical gas lift ranges 19 to 22.5in from floor to seat. And, this high back office chair fully reclines, locking at 90, 110 and 135deg. Sitting will never be the same again with Prestige’s 5 Fluid Systems of Comfort.