Best Brand Basics via Amazon offers Prime members the Joseph Abboud Men's Knit Jersey Boxer 3-Pack for $16.99. Coupon code "CQA4E4P5 cuts it to $8.49. With free shipping, that's $22 off list price and the lowest total price we could find. (Non-Prime members can spend $35 or more to qualify for free shipping; otherwise, shipping adds $5.48.) They're available in sizes S to XL.