Meet the NXGGRIM by NXG. The NXG series is an upgrade in streetwear, combining edgy design with quality materials. The NXGGRIM jogging shorts by NXG are made from quality cotton that doesnâ?Tt just look good, it feels good too. There is a cord at the waist. There are side pockets as well as a back pocket. Your perfect summer shorts, the NXGGRIM by NXG.