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Layers Classic Ribbed Fitted Tank White - C - IN2 New York

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

$36.00 USD $45.00 USD
High Twist Summer Crew Neck T-Shirt Black - C - IN2 New York

RO3 High Twist Summer Crew Neck T-Shirt Black

Color: BLACK

$24.00 USD $40.00 USD
Layers Slim Crew Neck T-Shirt Black

Layers Slim Crew Neck T-Shirt Black

Color: BLACK

$32.00 USD $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

Core Y - Back Thong Black - C - IN2 New York
Core Y - Back Thong Black - C - IN2 New York
Core Y - Back Thong Black - C - IN2 New York
Core Y - Back Thong Black - C - IN2 New York
Core Y - Back Thong Black - C - IN2 New York
Core Y - Back Thong Black - C - IN2 New York
Core Y - Back Thong Black - C - IN2 New York
Core Y - Back Thong Black - C - IN2 New York
Core Y - Back Thong Black - C - IN2 New York
4.8
Rated 4.8 out of 5 stars
198 Reviews

Core Y-Back Thong Black

$26.00 USD
ColorBLACK
Size Size chart

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

Fit

12345
SmallTrue to sizeLarge
  • Description
  • Style and Fit
  • Fabric and Care
  • Shipping

Y-back thong with everyday cotton comfort and minimal coverage

The C-IN2 Core Y-Back Thong delivers a sleek, low-profile fit designed for all-day ease. Featuring a signature Y-back elastic strap, it offers minimal coverage with a barely-there feel that stays secure and comfortable from morning to night.

Made from breathable 100% cotton, this thong provides a soft, natural feel against the skin. A sculpted 1-ply contour pouch adds gentle support and room where it counts, while clean elastic binding keeps the fit smooth without digging or distraction. Finished with a signature logo waistband, it’s everyday comfort—stripped down and done right.

Fabric Type & Performance
100% cotton fabric designed for breathable comfort and a soft, natural feel throughout the day.

Fabric Composition
100% Cotton.

Fit & Silhouette
Low-rise Y-back thong silhouette with minimal coverage and a clean, streamlined profile.

Rise
Low-rise design that sits comfortably below the natural waist.

Pouch Construction
1-ply contour pouch with center-seam construction for light support and natural shaping.

Leg Openings
Clean elastic binding designed to stay smooth and comfortable without digging.

Waistband
1.5" exposed elastic waistband with engineered C-IN2 repeat branding.

Care Instructions
Machine wash.
Imported.

Core Collection

The Core collection is built around uncompromising comfort and everyday reliability. Made from premium 100% cotton, each piece delivers breathable softness and a natural feel designed for all-day wear.

As C-IN2’s most essential collection, Core offers a wide range of styles—built to fit seamlessly into your daily rotation while delivering consistent comfort and dependable support.

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

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

100% cotton
Machine Wash
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: 4002-001-XS

Complete the Set

Need help?

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

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4.8
Rated 4.8 out of 5 stars
Based on 198 reviews
Total 5 star reviews: 171 Total 4 star reviews: 18 Total 3 star reviews: 2 Total 2 star reviews: 4 Total 1 star reviews: 3
95%would recommend these products
Reviews Summary
Customers say these Y-back thongs are incredibly comfortable and feel like wearing nothing at all. The Y-back design is more comfortable than traditional thong styles, with many noting the thin strap is less invasive. Users love the ample pouch space and support, finding them perfect for daily wear, sports, and gym activities. The soft material washes well and maintains durability. Many customers become repeat buyers and recommend sizing up for the best fit, though some find them true to size. A few mention sizing inconsistencies between colors and note the fabric can feel slightly stiff initially.
Customers Talked About
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198 reviews
  • CS
    Christopher S.
    Verified Buyer
    Reviewing
    Core Y-Back Thong White
    I recommend this product
    Body Type Short, Slim
    Height 5' 7-5' 9
    Normal Size Worn M
    Size in Other Brands M
    Size Bought S
    Rated 5 out of 5 stars
    2 weeks ago
    Comfortable and fun to wear

    Feels good on the body while providing freedom of movement

    Was this helpful?
  • CS
    Christopher S.
    Verified Buyer
    Reviewing
    Core Y-Back Thong Black
    I recommend this product
    Body Type Short, Slim
    Height 5' 7-5' 9
    Normal Size Worn M
    Size in Other Brands M
    Size Bought S
    Rated 5 out of 5 stars
    2 weeks ago
    Very comfortable and fun to wear.

    Very comfortable and fun to wear. It feels good on the body.

    Was this helpful?
  • DF
    don f.
    Verified Buyer
    Reviewing
    Core Y-Back Thong Black
    I recommend this product
    Body Type Muscular
    Height 5' 7-5' 9
    Normal Size Worn L
    Size in Other Brands L
    Size Bought L
    Rated 5 out of 5 stars
    3 weeks ago
    Core Y-Back Thong Black

    Takes care of my junk in a positive way

    Was this helpful?
  • RO
    Robert O.
    Verified Buyer
    Reviewing
    Core Y-Back Thong Black
    I recommend this product
    Rated 5 out of 5 stars
    3 months ago
    This thong is incredibly comfortable

    This thong is incredibly comfortable and you dont really notice the Y string up the back. It was easy to put on the waistband doesnt bend or fold. It was a solid choice.

    Was this helpful?
  • PH
    Preston H.
    Verified Buyer
    Reviewing
    Core Y-Back Thong Black
    I recommend this product
    Rated 5 out of 5 stars
    4 months ago
    Super comfy

    Super comfy

    Was this helpful?
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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.