Jockey via eBay offers its Jockey Men's StayCool Boxer Briefs 3-Pack in White, Black, or Blue for $5.99 with free shipping. That's tied with last month's mention as the best deal we've seen for three pairs of this particular style. (It's also a current price low for this quantity by $6.) It's available in sizes M to XL.
Jockey via eBay offers the Jockey Men's Cotton Boxer 2-Pack in Black/Fuschia for $4.99 with free shipping. That's the best deal we could find by $5 and the lowest total price we've seen. They're available in size XL only.