New AutoDrive 3.0 Controller with Ultimate Recline Technology, overstuffed biscuit back design, wide armrests, headrest cover, side pockets and controller clip, battery backup, and lock-out option. The new design raises the backrest 31 percent faster than previous models! Enjoy the preprogrammed TV watching, Sit, Sleep, or Zero Gravity positions at the touch of a button..or any custom position you choose and store it into the chair's memory! Size Medium/Large is recommended for users 5'7"-6'4", size Small/Medium is recommended for users 5'1"-5'6". 375 pound capacity.