2-In-1 Short with MyPakage Technology. Action & Pro Series garments use 100% hydrophobic quick drying wicking polyester. A boxer brief and 4way stretch outer short built into 1 waistband, creating the ultimate comfort and style combination . Multiple key and media pockets (media pocket has waterproof liner) There is also a pucker panel. The panel of fabric allow all critical seams to be removed from you key comfort areas. This ensures you are not sitting or rubbing against any seams or stitching.