5000 Series Dark Horizon Ergonomic Task Chair with Carpet Casters

-Designed by Certified Professional Ergonomists -Mid-back: Maximizes range of motion. Excellent lower back support. -Medium seat (21" x 19") w/ minimal contour -5-leg base with carpet casters -Upholstered in ergo-knit, Cloud 9 fabric -12 standard ergonomic adjustments ensure fit and support of widest range of user sizes and physiques -Patented 3-way adjustable armrest with 360 rotation designed to allow close access to work -Exceptional lower back support for long-term sitting with adjustable backrest with built-in inflatable lumber pillow -Limited Lifetime warranty (Individual use / up to 300 lbs users) -Modular construction extends useful life as components may be replaced at any time