| Inbox Zero Home Office Ergonomic Task Chair Upholstered, Steel in Black/Gray | 46 H x 19.6 W x 18 D ... The office chair has superior grade casters along with a heavy-duty steel base, breathable mesh back, high-density foam seat cushion, and PU casters for an ergonomic high-back office chair. And designed with targeted lumbar support, by ... more | Wayfair | $249.99 $236.99 FREE shipping go to store |