Rare S size (equivalent to Japanese M size). Extremely rare, not sold in Japan. Sophisticated modern design with a microfiber front and bold lace detailing. Perfect for treating yourself, gifting to a loved one, or as a Christmas present. Brand new, unused, and unopened. Please note that returns and exchanges are not accepted for new, unopened items. The images are of one of the items in stock. Please understand that the product delivered may not be exactly the same as the images. Calvin Klein CK jockstrap Men's underwear, undergarments, sports innerwear Gym, training, present, split-butt, supporter Calvin Klein CK Men's Underwear Underwear Inner Briefs Boxer Briefs Pants Shorts Sports Innerwear Sports Underwear Training Wear Gym Wear Fitness Athletic Running Workout Muscle training jockstrap jockstrap supporter athletic supporter sports supporter front opening low rise low rise pants underwear sports fashion men's fashion street set sale bulk sale brand new unused unopened authentic overseas model rare size S size small size gift present Christmas birthday gift brief lace