CHANNEL TUFTED DESIGN: Simple and sleek channel-tufted mid-back design is upholstered in bonded leather for an executive style and look. Available in 4 different colors: Black, Brown, Gray, and Cognac. EVERYDAY COMFORT: An ergonomic backrest with mid-back support, double-layer cushion seat and soft armrests are well-padded with high-density foam for a semi-plush sit. SERTA FOAM & CERTIFICATION: All Serta chairs use quality non-recycled, non-toxic foams, exceed minimum industry testing standards and are certified by the American Chiropractors Association. USA Customer Support. BUILT TO MOVE (and STAY PUT): Sturdy metal base with smooth-rolling wheels allows easy mobility. The handy side lever adjusts the height and a tilt-lock keeps you secure. Holds up to 275 lbs. EASY ASSEMBLY: Step-by-step instructions make assembly simple. Two people are recommended. Estimated time of 35 minutes.