Most office chairs cater to an average frame, leaving those who are petite or short feeling uncomfortable. Instead of easing your aches and pains, a standard ergonomic chair could make them worse.

Our favorite office chair looks and feels more expensive than it is—and it's on sale right now for Black Friday at Amazon.

Staples' Hyken Ergonomic Mesh Swivel Task Chair has the feel of a much more expensive chair—but costs just $99 right now.