Ebay offers Hanes Men's Comfort Flex Boxer Briefs 10-Pack for $20.76 (reg $37) with free shipping.

Product Description:
The support of briefs. Plus the freedom of boxers. You really can have it all. Ultra-soft ComfortSoft® fabric is preshrunk for a lasting fit. Soft, stretchable Comfort Flex® waistband moves with you and keeps its shape wash after wash. Cool Comfort fabric wicks aways moisture to keep you cool and dry. No Ride Up leg bands. Tag free for itch-free comfort. Convenient 10-pack is available in assorted colors.