Nike Boys Black Cotton Boxer Brief 3 Pack in Size 11 - 12 Years, Sports Direct. Nike Cotton Boxer Brief 3 Pack These Nike Cotton Boxer Brief 3 Pack are crafted with an elasticated waistband and flat lock seams to prevent chafing for a comfortable wear. They feature a reinforced pouch for support and are a lightweight construction. These trunks are designed with a signature logo and are complete with Nike Swoosh branding.Looking for alternatives to stores like JD Sports, eBay, SHEIN, ASOS, Next, Best Choice UK, Very, Decathlon UK, Argos, schuh, Temu, BuyBetter, or Nike Official? Discover our unique selection.