Outfit 1: Grab a custom colorful teacher crewneck and pair with medium wash denim for those casual days. Make sure you have ...

But he's also got a second kind of unconventional look — operator casual. It's a different, more relaxed vibe from the conspicuously bright blue suit he wore at the recent NATO summit ...

This refreshing detour showcases Nita Ambani's sartorial ability to pull off casual outfits, too. Nita Ambani donned a pastel blue t-shirt that had a loose, oversized fit with matching flowy pants.

Secretary of Defense Pete Hegseth seems to favor "operator casual" style on official trips. The style, popularized during the Global War on Terrorism, blends professionalism and tactical function.