Why don’t socks and boxers match?

That was the simple question that started it all. The answer? Ton Sur Ton.

We’re the brand behind the world’s first matching socks and boxer shorts for men. Inspired by the Dutch fashion term Ton Sur Ton—which means combining different tones of the same color, like light blue with dark blue—we knew right away it was the perfect name. It looks stylish, sounds great, and says exactly what we’re about.

After more than a year of continuous testing, we perfected our signature products. The result? Socks and boxers that fit like a dream and feel even better: soft, stretchy, and durable. Made with GOTS-certified organic cotton, they’re gentle on your skin—and better for the planet. The boxers have a slightly longer leg for a bold look that stays comfortably in place all day. The socks are just the right length to show off, warm your feet, and finish your outfit with a statement.

Since then, we’ve expanded our collection to include swim trunks—same great fit, same bold colors, same Ton Sur Ton energy. Made from 100% recycled polyester, they let you dive into summer without compromising on style or sustainability.

We design every piece to help you start your day with confidence, comfort, and a clear conscience. Because when your underwear and swimwear are this good, you’re already winning.