Shop Men’s Briefs, Boxers, Tanks, and More by C-IN2
Zen Collection
Find your balance. C-IN2 Zen features a breathable, lightweight knit with a smooth, sleek fit that feels as good as it looks. Designed with natural performance benefits and an elevated athletic edge, Zen blends comfort and confidence for everyday wear. Modern, versatile, and easy to move in—Zen is underwear with calm energy and bold style.
For nearly two decades, C-IN2 has redefined men’s underwear with premium materials, sculpted fits, and bold design. With over 100,000 customers and counting, our products deliver confidence from the inside out.
C-IN2 is a New York–born men’s underwear and apparel brand with one mission: to make every man look good and feel confident. We design premium basics and fashion-forward styles with innovative fabrics, engineered fits, and durable construction that lasts. Working closely with our partners, we create unique materials and refine every detail—from the cut of a t-shirt to the fit of a brief—to deliver comfort and style you can feel every day. Inclusive, empowering, and unapologetically bold—C-IN2 is made for every body.