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Layers Classic Ribbed Fitted Tank White

Layers Classic Ribbed Fitted Tank White

Color: WHITE

$32.00 USD

Hand Me Down Crew Neck T-Shirt Smoke Heather

Hand Me Down Crew Neck T-Shirt Smoke Heather

Color: SMOKE HEATHER

$45.00 USD

RO3 High Twist Summer Crew Neck T-Shirt Black

RO3 High Twist Summer Crew Neck T-Shirt Black

Color: BLACK

$16.00 USD $40.00 USD
Layers Slim Crew Neck T-Shirt Black

Layers Slim Crew Neck T-Shirt Black

Color: BLACK

$40.00 USD

Layers Slim Crew Neck T-Shirt White

Layers Slim Crew Neck T-Shirt White

Color: WHITE

$40.00 USD

The new shape of men’s fashion

Zen Sport Brief Black
Zen Sport Brief Black
Zen Sport Brief Black
Zen Sport Brief Black
Zen Sport Brief Black
Zen Sport Brief Black
4.9
Rated 4.9 out of 5 stars
243 Reviews

Zen Sport Brief Black

$19.50 USD $30.00 USD
Item is in stock Hurry, Only 0 Left! Item is out of stock Item is unavailable
ColorBLACK
Size Size chart

True to size. For loose fit, go one size up.

Fit

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  • Description
  • Style and Fit
  • Fabric and Care
  • Shipping

Engineered for movement with a bold, athletic edge.

The C-IN2 Zen Sport Brief is crafted from a breathable mesh-blend fabric infused with rayon from bamboo, delivering cooling airflow with a soft, natural feel. Its high-cut silhouette enhances mobility while maintaining a sculpted, body-conscious fit.

Subtle micro eyelets promote ventilation while the streamlined design keeps the look sharp, modern, and confidently athletic. Built to move with you, it balances performance-driven function with a clean, elevated finish.

Breathable Performance Mesh
Micro eyelet construction enhances airflow for a cooler, more ventilated feel.

Fabric Composition
59% Cotton, 39% Rayon from Bamboo, 2% Elastane

Fit
Sport brief silhouette with a high-cut leg delivers a supportive, mobility-focused fit.

Rise
Low-rise, sits below the natural waistline.

Pouch Construction
1-ply contour pouch provides lightweight support with a clean, natural shape.

Design Details
Mesh-blend texture with bamboo softness creates a sleek, performance-driven look.

Binding & Trim
Microfiber leg elastics maintain a smooth, secure fit while minimizing ride-up.

Waistband
1.5" exposed elastic waistband features refined C-IN2 branding for a sporty finish.

Care Instructions
Machine wash.
Imported.

Zen

The Zen collection is designed to make you feel confident and comfortable with soft, breathable fabric and a sleek, understated aesthetic.

Perfect for everyday wear, Zen blends ease and performance, delivering effortless comfort from morning through night.

Brief style underwear
Low-rise, sits below the natural waistline

Model's height is 6'1"/185 cm, and he is wearing size M.

59% Cotton, 39% Rayon from Bamboo, 2% Elastane
Machine Wash
Do Not Tumble Dry. Hang dry or dry flat
Imported

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.

SKU: 3214-001-XS

Complete the Set

Need help?

Send us an email at support@c-in2.com.

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4.9
Rated 4.9 out of 5 stars
Based on 243 reviews
97%would recommend these products
Reviews Summary
Customers say these sport briefs are incredibly comfortable with a perfect fit that doesn't feel tight around the waist. The soft, breathable fabric feels substantial yet light and provides excellent support without being restrictive. Many appreciate how well they work for athletic activities and exercise, with the material staying comfortable even when sweating. Users love the cut and style, noting the briefs maintain their shape after washing. Several mention they've become repeat buyers, collecting multiple colors. A few note the sizing runs slightly small, and one customer experienced tearing. Overall, customers consistently praise the comfort, quality, and athletic performance of these briefs.
Customers Talked About
Write a Review (Opens in a new tab)
243 reviews
  • JS
    Jose s.
    Reviewing
    Zen Sport Brief Reese Red Heather
    I recommend this product
    Rated 5 out of 5 stars
    5 hours ago
    Stretchy

    Love how the material stretches so confortable with lots of room on pouch

    Was this helpful?
    C-IN2 New York
    4 hours ago

    Hello Jose,

    Thank you for the wonderful review! We're so glad you're loving the stretch and comfort of the Zen Sport Brief. We appreciate your support!

  • JV
    Jason V.
    Verified Buyer
    Reviewing
    Zen Sport Brief Bayside Blue Heather
    I recommend this product
    Rated 5 out of 5 stars
    6 days ago
    Yet Another Winner from C-IN2

    Stretchy and lightweight. Great for everyone everyday. You may as well try one of each color! Good cut, good fit all around.

    Was this helpful?
    C-IN2 New York
    6 days ago

    Hello Jason,

    Thank you for the wonderful review! We're thrilled you're loving the Zen Sport Brief and that it's become a go-to favorite. Your recommendation means everything to us!

    Best,
    C-IN2

  • JV
    Jason V.
    Verified Buyer
    Reviewing
    Zen Sport Brief Neil Navy Heather
    I recommend this product
    Rated 5 out of 5 stars
    6 days ago
    Airy and Comfy

    I own a few pairs of this line, in various awesome colors, of course. The contour pouch could be slightly larger, but the fabric stretches and supports. Try it, you'll like it!

    Was this helpful?
    C-IN2 New York
    6 days ago

    Hello Jason,

    Thank you for the wonderful review! We're so glad you're enjoying the Zen Sport Brief in multiple colors. We appreciate your support!

  • SR
    Sayahang R.
    Verified Buyer
    Reviewing
    Zen Sport Brief Reese Red Heather
    I recommend this product
    Rated 5 out of 5 stars
    3 weeks ago
    Amazing feel

    Love the quality and the way it fits me! Would buy it again:)

    Was this helpful?
    C-IN2 New York
    3 weeks ago

    Hello Sayahang,

    Thank you for the wonderful review! We're thrilled you love the quality and fit of the Zen Sport Brief. We really appreciate your support!

    Best,
    Tom

  • G
    Goldy
    Verified Reviewer
    Reviewing
    Zen Sport Brief White
    I recommend this product
    Body Type Slim
    Height 5' 7-5' 9
    Normal Size Worn S
    Size in Other Brands S
    Size Bought S
    Rated 5 out of 5 stars
    4 weeks ago
    Fun and sexy!

    So comfy and so sexy! Love the way this looks and what it does for my bulge - so good! 10/10 recommend.

    Was this helpful?
    C-IN2 New York
    4 weeks ago

    Hello Goldy,

    Thank you for the wonderful review! We're thrilled you're loving the Zen Sport Brief White. We really appreciate your support!

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Premium Basics, Engineered for Every Body

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.