Check out this collection of men's shirts and find some for as low as $13 at Nautica. That includes classic tees, polos, and more. A best bet is the pictured Nautica Heathered Crew-Neck Shirt. It originally sold for $19.50 but is currently available for $12.99. Plus it's available in five colors. We can't find this shirt discounted anywhere else. Because most of these tops are available in a variety of colors, we suggest grabbing multiple shirts to reach the $50 free shipping threshold. Otherwise, shipping adds $8. Sales tax is charged in most states.