This site has limited support for your browser. We recommend switching to Edge, Chrome, Safari, or Firefox.

Start Earning Rewards Join the C-IN2 Circle

Free Shipping US orders over $99

Easy Returns Go to Returns Center
Subtotal Free
View cart
Shipping, taxes, and discount codes are calculated at checkout

Cart 0

No more products available for purchase

Products

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.

Pair with

Your Cart is Empty

Perfect Pima Relaxed Crew Neck T-Shirt White - C - IN2 New York

Perfect Pima Relaxed Crew Neck T-Shirt White

Color: WHITE

$13.00 USD $36.00 USD
Layers Classic Ribbed Fitted Tank White - C - IN2 New York

Layers Classic Ribbed Fitted Tank White

Color: WHITE

$13.00 USD $32.00 USD
Hand Me Down Crew Neck T-Shirt Smoke Heather

Hand Me Down Crew Neck T-Shirt Smoke Heather

Color: SMOKE HEATHER

$22.50 USD $45.00 USD
High Twist Summer Crew Neck T-Shirt Black - C - IN2 New York

High Twist Summer Crew Neck T-Shirt Black

Color: BLACK

$18.00 USD $40.00 USD
Layers Slim Crew Neck T-Shirt Black

Layers Slim Crew Neck T-Shirt Black

Color: BLACK

$20.00 USD $40.00 USD
Layers Slim Crew Neck T-Shirt White

Layers Slim Crew Neck T-Shirt White

Color: WHITE

$20.00 USD $40.00 USD

Trusted by 100,000+ customers worldwide. Confidence starts here.

Prime Thong Black - C - IN2 New York
Prime Thong Black - C - IN2 New York
Prime Thong Black - C - IN2 New York
Prime Thong Black - C - IN2 New York
Prime Thong Black - C - IN2 New York

Prime Thong Black

$24.00 USD
Item is in stock Hurry, Only 0 Left! Item is out of stock Item is unavailable
Size Size chart

Fit

12345
SmallTrue to sizeLarge
ColorBLACK
Prime Thong Black - C - IN2 New York
Prime Thong Nabil Neutral - C - IN2 New York
Prime Thong Pelton Pink - C - IN2 New York
Prime Thong Chago Charcoal - C - IN2 New York
Prime Thong Garo Green - C - IN2 New York

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

Minimal design. Maximum confidence. The C-IN2 Prime Thong delivers a refined, second-skin fit with an ultra-soft cotton-lyocell blend that feels cool and smooth against the skin. A 1-ply contour pouch offers sculpted support, while covered elastic leg openings ensure a secure, no-dig fit. Finished with a sleek 1.18" logo waistband, this thong is tailored for those who appreciate elevated essentials—with a provocative edge.

  • 1-Ply Contour Pouch – Lightweight support with a natural, sculpted fit
  • Cotton-Lyocell Blend – Ultra-soft, breathable, and silky smooth
  • Minimal Thong Back – Designed for movement, confidence, and style
  • Covered Elastic Leg Openings – Secure fit that stays in place
  • 1.18" Logo Waistband – Dynamic C-IN2 branding with a clean finish
  • Style and Fit
  • Fabric and Care
  • Shipping

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

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

60% Cotton, 40% Lyocell
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.

PRIME

Prime Underwear: The ultimate in comfort and luxury.

Made with a blend of cotton and lyocell, Prime underwear is soft, comfortable, and luxurious. It's the perfect choice for everyday wear, and it will make you feel like you're living the high life.

With its superior quality and fit, Prime underwear is sure to become your new favorite. So why wait? Experience the difference today!

Discreetly shipped in a plain brown box or poly bag.

SKU: 7502-001AS-XS

Complete the Set

Need help?

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

 [{"variant_id":"40780108922928" , "metafield_value":""},{"variant_id":"40780108955696" , "metafield_value":""},{"variant_id":"40780108988464" , "metafield_value":""},{"variant_id":"40780109021232" , "metafield_value":""},{"variant_id":"40780109054000" , "metafield_value":""},{"variant_id":"40780109086768" , "metafield_value":""}]
>
  • Related products
  • Recently viewed

Engineered for movement. Built to last.

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.

Ergonomic Contour Pouch

  • Sculpted Lift – Natural shape and definition
  • Locked-In Support – No shifting, no sagging
  • Flexible Fit – Moves with you, always
  • All-Day Comfort – For work, workouts, or rest
SHOP Hand Me Down

Innovative Fabric Blends

  • Designed for movement, made to be seen
  • Performance-grade functionality
  • Precision blends that hold shape and color
  • Comfort that doesn’t compromise on style
SHOP FLEX

Everyday Durability

  • Keeps its shape, wash after wash
  • No sag, no bag, no fade
  • Consistent support that doesn’t quit
  • Quality construction made to outlast trends
shop core

Everyday Essentials

Comfort meets quality. These are your daily go-to’s—built to move, breathe, and feel amazing under anything.

Sexy Styles

Minimal coverage, max impact. These are the cuts turning heads—from bold jocks to sleek thongs.

Discover Your Style

Fit, function, and personality. From our best-sellers to boldest cuts, here’s where to start.

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.