What makes CK's classic so popular is its ability to ... This is one the very few pairs of all-cotton underwear we’ve tested that can handle a workout without issue. Our Grooming Editor Sean ...

The organic cotton jersey has enough stretch to prevent sagging but doesn't feel like compression wear. There's a reason these have been around since 1981. CK's original brief remains the ...

In men’s underwear, comfort, health, and sustainability are often overlooked. Many traditional options rely on synthetic ...

Although the Calvin Klein Cotton Classics Boxer Brief has a two-way fly—an interesting feature—our testers complained that this pair ran small. Worse, the material was rough and tended to chafe.

Calvin Klein’s signature briefs, a quiet revolution in branding wrapped in stretchy cotton-spandex. When the American label introduced them in the early ‘80s, they made designer underwear a ...

Our PEOPLE Tested team deemed these Calvin Klein hipsters the most comfortable ... If you prefer a cotton brief, consider a 10-pack of these Hanes bikini undies that are on sale at Amazon.