Ping An Group via Amazon offers the Kayizu Men's Ultra Soft Cotton Classic Boxer Briefs 6-Pack in several colors (Black/Dark Grey/Blue/Light Grey pictured) for $23.99. Coupon code "AXYYKZ6N" cuts that price to $19.99. Plus, Prime members bag free shipping. That's tied with our mention from two weeks ago at $4 off and the lowest price we could find. They're available in sizes S to XXL. Deal ends March 20.