Staples again offers its Staples Sidley Luxura Executive High-Back Chair in Black (pictured), model no. 21079, or Brown, model no. 21231, for $49.99 with free shipping. That's $10 under our July mention and tied as the lowest total price we've seen for this chair. Sales tax is added where applicable. Features include padded arms, padded headrest, pneumatic seat height adjustment, and more. Deal ends October 8.