Original Penguin offers its Original Penguin Men's Boxer Briefs 3-Pack in several colors (White pictured) for $13. Coupon codes "SUMMER60" and "OFFEROP20" stack to drop it to $5.20. With $5 for shipping, that's $4 under our November mention in another color and the lowest price we could find by $17. They're available in select sizes from S to XL. Deal ends June 19.