Quick-adjust options reduce stress from moderate sitting. Eliminate back, shoulder and neck strain! High-performance options let you custom-control chair positions to take the strain out of long hours sitting down. Overall dimensions: 35″H x 20″W x 19″D 1-touch seat-height adjustment for perfect posture. Tilt controls for ideal positioning. Relax! This chair’s synchro tilt function lets you lean back while seat cushion remains relatively level to the floor, opening up your torso for better weight distribution and circulation. Adjustable tilt angle changes angle of seat to floor to balance body weight. Adjustable forward tilt allows seat front to slope downward, easing disc pressure during forward-oriented tasks. Tilt lock lets you secure tilt position to accommodate your working posture. Seat-back adjustments for proper spinal alignment. Adjustable back angle relieves disc pressure by changing angle of torso to thighs. Adjustable back height lets you fit seat back perfectly to maximize support of lower back. Lumbar cushioning helps support your lower back. Extra-thick molded foam back cushioning enhances the natural curve of your spine. Compound curved backrest provides added support. Dual-wheel casters for easy mobility. You’ll find it easy to keep things rolling with this chairs easy-glide casters. 5-star base adds stability as you move from task to task. Steel frame is strong, durable. Assembly required. Weight capacity tested to support up to 250 lb. GREENGUARD certified – certified for low chemical emissions: UL.COM/GG – UL 2818. Ranked in two tiers: Certified and Gold.