Shop Men’s Briefs, Boxers, Tanks, and More by C-IN2
Long Johns
C-IN2 long underwear is designed for warmth without bulk, crafted with a sleek fit that layers perfectly under your clothes. Ideal for colder days or lounging at home, this style combines practicality with modern design. Streamlined cuts ensure you stay comfortable while looking sharp, proving that even your base layer can feel stylish and confident.
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.
