Proozy offers the Reebok Men's Mesh Workout Shorts in several colors (Blue pictured) for $12.99. Add two to cart and apply coupon code "DN1990" to cut that price to $19.90. With free shipping, that's $40 off, and the lowest price we could find. They're available in select sizes from S to XXL.
The dollar store is the most amazing place to find bargains for certain purchases. Yes, even pregnancy tests.