Shop over 600 deals, with shirts from $6, boxers from $9, shorts from $10, and accessories from $12. Even better, this flash sale includes deals on major brands like Nike, Kenneth Cole Reaction, Nautica, True Religion, Brooks Brothers, and more. Shipping adds $9.95, but orders of $89 or more ship for free. We’ve pictured the Original Penguin Men’s Boxer Brief 4-Pack for $19.97. ($23 off)