I have multiples of these in every size from Small to XL. I tried to photograph one of the more banged up ones. Most are in better shape than the one shown.
Calvin Klein 4-Pack Black Microfiber Stretch Boxer Briefs Mens Size Medium CK
Calvin Klein, Underwear & Socks, Calvin Klein Mens Microfiber Mesh Boxer Brief Underwear New Size Medium
Calvin Klein Men's Steel Micro Boxer Briefs, black/black/black, Small at Men's Clothing store
Calvin Klein Men's Micro Mesh Boxer 4 Way Stretch, 3 Pack (Black,L)
Calvin Klein, Underwear & Socks, Calvin Klein Boxer Brief Microfiber 4 Pack Underwear Black Mens Size Np2447009
Men's Calvin Klein 3-Pack Microfiber Stretch Low-Rise Trunks
Calvin Klein Men's Modern Cotton Stretch Naturals 3-Pack Low Rise Trunk,Multi,Sm
Calvin Klein 3 Pack Men's Underwear Cotton White CK Classic Fit Boxer Brief
Calvin Klein Micro Stretch Low Rise Solid Trunks 3-Pack
Calvin Klein Men's CK Ultra Soft Modal Boxer Brief, Black/Sliver, Medium
CK Black 3-Pack Boxer Brief