Macy's offers the O'Neill Men's Calypso Stripe 21" Boardshorts in Yellow for $17.73. Pad your order with a beauty item (they start at $4) to bag free shipping; otherwise, shipping adds $10.95. That's the lowest price we could find by $18. They're available in sizes 31 to 44.
Kohl's offers the Rock & Republic Men's Core V-Neck T-Shirt in several colors for $14.99. Better yet, add two to your cart and apply coupon code "SUNNYDAYZ" for a final price of $21.25. With $8.95 for shipping, that's $29 off list and the lowest price we could find. It's available in sizes S to XXL. Deal ends July 14.