Staples Acadia Ergonomic Mesh Mid-Back Task Chair (Black) for $89.99 shipped after coupon code 80153.  Here is a screenshot for your reference.  It features adjustable padded arms, adjustable tilt tension and lock, lumbar support, independent seat and back height adjustments, and measures 26.75"W x 25.5"D x 39" to 42.5"H.