This task chair features an aluminum base and poly frame that can support up to 350 pounds. And heavy-duty fabric upholstery can withstand constant use and still look great. But tough doesn’t mean uncomfortable, the seat is 3.5" thick for comfort. Along with arm width adjustability, to conveniently accommodate tool belts, holsters, radios and other equipment, this mesh-back chair features eight more adjustment points that help customize it to any user