MODERN EXECUTIVE STYLE: This desk chair features a mid-back design with a modern profile, sculpted arms, and piped tailored edges that's upholstered in soft microfiber fabric or smooth bonded leather in 5 colors: Gray, Brown, Cognac, Charcoal Gray, or Beige. ACTIVE SITTING: The mid-back provides ergonomic support by encouraging proper spinal alignment with contours in the layered body pillows and lumbar region. The waterfall edge seat is well-padded and offers a firm level of comfort. Serta FOAM & ENDORSEMENT: All Serta chairs use quality non-recycled, non-toxic foams, exceed minimum industry testing standards and are endorsed by the American Chiropractors Association. DURABLE BUILD: Sturdy plastic base sits on 360º smooth-rolling casters, with an easy-to-reach seat-side lever for height adjustment and tilt-lock. Supports up to 275 lbs. EASY ASSEMBLY: Step-by-step instructions makes assembly simple and quick. Two people are recommended. We offer USA Customer Support.