The new shape of men’s fashion
Flex Fly Front Brief Black
True to size. For loose fit, go one size up.
Fit
- Description
- Style and Fit
- Fabric and Care
- Shipping
Mid-rise mesh brief with flexible support and a functional fly.
The C-IN2 Flex Fly Front Brief delivers classic coverage with a modern, breathable feel. Designed with a mid-rise fit and functional fly, it’s built for everyday ease, comfort, and movement. Made from a soft cotton-modal mesh with 4-way stretch, it adapts to your body while staying cool and supportive throughout the day.
4-Way Stretch Mesh Fabric
Breathable mesh construction that moves naturally in every direction.
Fabric Composition
57% Cotton / 38% Modal / 5% Elastane
Soft, breathable, and flexible with a smooth, comfortable hand feel.
Mid-Rise Brief Fit
Sits at the natural waistline for balanced coverage and everyday comfort.
Contour Pouch (2-ply) with Fly
Structured support with room where it counts, plus functional fly access.
Microfiber Leg Bands
Smooth, stay-put finish designed to prevent digging or ride-up.
Logo Waistband — 1.5"
Sleek elastic waistband with engineered C-IN2 branding.
Everyday Use Case
Ideal for daily wear, breathable comfort, and guys who prefer a classic brief with modern performance.
Model's height is 6"1'/185 cm, and he is wearing size M.
Get free shipping for US orders over $99.
Discreet packaging: plain poly bag or brown box.
For shipping info: C-IN2 Shipping.
Discreetly shipped in a plain brown box or poly bag.
Complete the Set
Need help?
Send us an email at support@c-in2.com.
- Fit
- Comfort
- Design
- Material
- Quality
- AGAndre G.Verified BuyerReviewingFlex Fly Front Brief Sage GreenI recommend this productBody Type SlimHeight 5' 10-6' 0Normal Size Worn SSize in Other Brands SSize Bought XSRated 5 out of 5 starsYesterdayExcellent
It fits perfectly and very comfortably
- JMJody M.Verified BuyerReviewingFlex Fly Front Brief Sapphire BlueRated 3 out of 5 stars1 month agoNothing too excitingly great about
Nothing too excitingly great about them
- WGWilliam G.Verified BuyerReviewingFlex Fly Front Brief BlackI recommend this productBody Type ShortNormal Size Worn LSize in Other Brands LSize Bought LRated 5 out of 5 stars2 months agoThis is a premier product
This is a premier product IMHO. The fit is wonderful and very comfortable. These are well made and the fly is well designed, so it is usable. Great product. I just wish it was sold in packs of 3 or more.
- ZZacheryReviewingFlex Fly Front Brief Sapphire BlueI recommend this productRated 5 out of 5 stars3 months ago5 Stars
Flex fly front is super sleek and comfortable
- YHYu H.Verified BuyerReviewingFlex Fly Front Brief Pebble GreyI recommend this productRated 5 out of 5 stars5 months agoFit well
Fit well