2-Pack Under Armour Men’s 6″ Novelty Boxerjock $12 ($6 each, sizes/colors vary) + free shipping with prime at Woot

Woot.com has 2-Pack Under Armour Men’s 6" Novelty Boxerjock for $11.99 + free shipping with prime
Sizes are limited by color, but as of time of post- there should be at least all sizes available in one color or another. But not all sizes in all colors.