Perfect for any occasion, especially activewear, these shorts have a built-in underwear for added support during your runs.
Shorts.
Men's Nike Underwear - Gem
Nike 9 Distance Running Shorts Built In Underwear Black 642813-013 Men's Size XL
mens nike underwear - Gem
Nike Running distance 9 inch 2-in-1 shorts in black aq0053-010
Nike Running Flex distance 7 inch shorts in black 834213-010
Men's Nike Underwear - Gem
Nike Dri-FIT Men's 9 Woven Training Shorts (as1, Alpha, m, Regular, Regular, Obsidian/Blue) at Men's Clothing store
Men's Running Shorts. Nike ID