Use Nautica coupon code SUMMERTIME
Nautica has this men's Striped Performance Deck Shirt for $39.99 after instant savings, but use coupon code SUMMERTIME to save an extra 40% and the price drops to $23.99. Shipping is $8 or free with $75+ order. This shirt is available in 21 colors in sizes Small to XXL, although not all color/size combinations are available. The same shirt is available from Zappos
in 9 colors for between $39.99 and $49.50 with free shipping.