Select Men's Button-up Shirts are 60% off at Kohls.com. Even better at checkout enter code EXTRA15, which saves an additional 15%. This stacks with code SMS2828, which saves another 10%. Shipping adds $0.99. This Haggar Microfiber Casual Shirt, already on sale from $50 to $20, falls to $15.30 after both codes. The Axist Shirt drops from $44 to $17.60 to $13.46, while the Croft & Barrow Microfiber Shirt lowers from $32 to $12.80 to $9.97. Sales tax is charged in most states.