Ping An Group via Amazon offers the Kayizu Men's Ultimate Soft Cotton Boxer Brief 6-Pack in Assorted Colors from $23.99. Coupon code BUOB6WBS cuts that starting price to $18.99. Plus, Prime members receive free shipping. (Non-members can spend $49 to qualify for free shipping; otherwise, shipping costs $5.48.) That's tied with our May mention at up to $50 off list and the lowest total price we could find. They're available in sizes S to XXL. (Prices vary by size.)

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