Nike Dri-FIT 7" Challenger Shorts - Men's Delivers lightweight coverage and sweat-wicking support that lasts, so you can take on your next challenge with confidence. Side panel mesh adds ventilation so you'll be comfortable while your endurance takes you farther. Dri-FIT® fabric wicks sweat away to keep you dry and comfortable. Elastic waistband with drawcord for personalized fit. Body: 100% Dri-FIT polyester taffeta. Side panel: 100% Dri-FIT recycled polyester mesh. Liner: 100% Dri-FIT recycled polyester crepe. 7" inseam. Imported.