Nike challenge 7 inch 2n1 shorts mens these nike challenge 7 inch 2n1 shorts are designed with a lightweight construction with an elasticated waistband and internal drawstring fastening that offers a comfortable fit with built in stretch fit shorts that allow for additional support and comfort when running flat lock seams minimise irritation against the skin with mesh panels and drifit technology that pulls sweat away from the skin to help keep your body dry and cool the contrasting panel de