Sexy and Comfy
Discover the world of C-IN2
Elevate your everyday basic underwear with sexy and comfy premium men's underwear. It's time to upgrade!
Elevate your everyday
All day comfort
We continue to innovate with new textile designs to give our customers the softest fabric so you can stay comfortable in your underwear all day, whether you're in your office, at home, at the gym or out on the town.
Ready for your next adventure
Stay Sexy
Your drawers will never be boring with C-IN2 underwear. Try out different cuts and styles offered in limited seasonal colors to show off your sexy side and personality.

Discover our most popular styles
Your perfect fit
You're guaranteed a perfect fit! C-IN2's signature contour pouch was designed to give you extra room and support.
Top Selling Style
“I think the low rise brief is my favorite cut, it doesn’t fit like a tighty whitey like most briefs on the market do! It’s super comfortable, it’s the classic core fabric, and I know it’ll last for a while. I love to pair mine with a matching core square neck tank!