Part of Lorell's Wellness by Design collection, this executive chair is office seating approved by the American Chiropractic Association. Dormeo octaspring technology offers eight times more breathability than traditional memory foam. Design also features an elevated headrest & supportive lumbar foam. Seat cushion conforms to body pressure with adaptive body zone comfort. Flip-up arms with soft armrests adjust in height from 27" to 28-1/2". Cable-activated fingertip control operates seat-height adjustment & tilt functions. Functions include pneumatic seat-height adjustment (19-3/4" to 23-1/2"), 360-degree swivel, tilt (104 to 121 degrees), tilt tension & tilt lock. Luxurious, black bonded leather upholstery provides a sleek look. 26" five-star nylon base is equipped with 1-24/25" diameter dual-wheel casters for easy chair movement. Seat measures 22-1/2" wide x 18-1/2" deep x 5" thick. Back size is 22-1/2" wide x 6-3/4" thick x 28" high. Weight capacity is 275 lb.