Product Information
CORE
STYLE AND FIT
FABRIC AND CARE
SHIPPING
Get free shipping for US orders over $99.
Discreet packaging: plain poly bag or brown box.
For shipping info: C-IN2 Shipping.
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Free Shipping US orders over $99
Easy Returns Go to Returns Center
International orders are final sale. For orders that are shipping to destinations outside of the United States (including Canada), you may have to pay duties and taxes to your country's government.
100% comfort 100% of the time! Experience quality men's underwear on a whole new level with incredibly soft and supportive styles. Sexy, breathable, and too comfortable to resist, Core is C-IN2's largest and most popular collection. Feel good from start to finish, every single day.
Fit
Discreetly shipped in a plain brown box or poly bag.
Need help?
Send us an email at support@c-in2.com.
C-IN2 Core: Uncompromising Comfort, Unrivaled Choice.
Discover the difference of Core, C-IN2's signature collection designed for the modern man. Made with premium 100% cotton, Core delivers an unparalleled experience of softness and breathability, ensuring all-day comfort and support. Innovative design meets exceptional fabric, creating underwear that feels as good as it looks.
Dive into the vast world of Core and find your perfect fit. As C-IN2's largest and most popular collection, Core boasts a diverse range of styles – from essential briefs and boxers to on-trend trunks and thongs – catering to every preference and occasion.
Don't compromise on comfort or style. Choose C-IN2 Core and elevate your everyday with underwear that delivers superior quality, exceptional variety, and lasting satisfaction.
Crew socks
Includes 3 pairs
Invisible toe seam
89% Combed Cotton, 9% Nylon, 2% Elastane
Machine Wash. Use non-chlorine bleach
on whites to preserve elastane stretch. May appear smaller after first wash and dry cycle due to elastane.
Imported
Get free shipping for US orders over $99.
Discreet packaging: plain poly bag or brown box.
For shipping info: C-IN2 Shipping.
Start Earning Rewards Join the C-IN2 Circle
Free Shipping US orders over $99
Easy Returns Go to Returns Center
C-IN2’s signature contour pouch isn’t just about comfort—it’s engineered to hold you right. Sculpted for a natural lift and locked-in support, it keeps everything where it should be—no shifting, no distractions. Built to move with you, whether you’re pushing limits or kicking back. This is next-level fit with attitude.
At C-IN2, every fabric blend is purposefully crafted to deliver next-level comfort, long-lasting durability, and high-performance wear. Our collections feature premium materials like modal for softness, cotton for breathability, and elastane for just the right amount of stretch—engineered to move with you and feel incredible all day long.
Built to keep up with real life, C-IN2 underwear is made to last—day after day, wash after wash. Our premium fabrics resist sagging, stretching, and fading, so they look and feel like new longer. The fit stays sharp, the support stays solid, and the comfort never quits. No compromises, just consistent performance you can count on.