Stiff by 3 PM? Your chair might be the problem. Long hours at your desk shouldn’t leave you aching and drained. The Opera Mid-Back Ergonomic Office Chair is built for everyday support, so you can stay focused and get more done. Supportive mid-back design Comfortable padded seat Breathable mesh-style back Smooth-rolling caster wheels A more comfortable seat for focused work and productive days. Call now Terms & Conditions Apply.