Introducing our first new performance underwear in years: The Stealth Pro Boxer Brief. Designed to do everything (but feel like nothing), we recently put them to the test with coaches from New York’s premier fitness class, @milehighrunclub Learn more about the collab—and grab your own pair-at the link in bio. #mackweldon #wearitwell #menswear #mensfashion #mensstyle #classicstyle #casualstyle #outfit #outfitinspo #outfitinspiration