Amazon offers Prime members the Fruit of the Loom Boys' Boxer Brief 5-Pack
in Multi-Color or Print/Solid for $5.75
with free shipping
. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping costs $5.48.) That's the lowest total price we could find by $5. They're available in sizes S to XL, although not in all size/color combinations.