These fan-favorite office chairs are on 24-hour sale at Amazon
Amazon.com: Ergonomic Mesh Office Chair, High Back Computer Executive Home Desk Chair with Headrest and 4D Flip-up Armrests, Adjustable Tilt Lock and Lumbar Support-Grey : Office Products
Newport Gray Wood Upholstered Desk Chair | Home Office - Office Chairs | City Furniture
Homall Office Desk Chair with Flip Arms Mid Back Mesh Computer Chair Swivel Task Chair with Ergonomic with Lumbar Support - On Sale - Overstock - 33073278
Amazon.com: Okeysen Big and Tall Office Chair, 400 LBS High Back Executive Office Chairs for Heavy People, Ergonomic Leather Office Desk Chair with Lumbar Support & Heavy Duty Metal Base. : Office