Gap offers its Gap Men's Gingham Seersucker Short-Sleeve Shirt in Deep Cobalt or Tomato for $19.99. Stack coupon codes "STYLE" and "GETMORE" to drop that to $10.79 and bag free shipping. That's a savings of $41 and a great deal for a Gap men's button-up shirt in general. It's available in select regular and tall sizes from S to XL. Deal ends November 14.