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The new shape of men’s fashion

C - Theory Thong Borris Blue - C - IN2 New York
C - Theory Thong Borris Blue - C - IN2 New York
C - Theory Thong Borris Blue - C - IN2 New York
C - Theory Thong Borris Blue - C - IN2 New York
C - Theory Thong Borris Blue - C - IN2 New York
4.7
Rated 4.7 out of 5 stars
122 Reviews

C-Theory Thong Borris Blue

$20.80 USD Regular price $26.00 USD

Size Size chart

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

Fit

12345
SmallTrue to sizeLarge

Thong with minimal coverage and bold contrast

The C-IN2 C-Theory Thong is designed for guys who want a stripped-down silhouette with confident, fashion-forward style. Built with minimal fabric and a sleek, body-forward fit, it delivers a clean look that moves naturally with you—nothing extra, nothing holding you back.

Crafted from a textured cotton–elastane blend, this thong offers breathable softness with flexible stretch for all-day comfort. A sculpted 1-ply contour pouch provides natural lift and support up front, while the narrow back strap keeps coverage minimal and secure. Finished with a contrast-engineered waistband, it makes a statement without sacrificing comfort.


Fabric Type & Performance
Textured cotton fabric designed for breathable comfort, soft stretch, and everyday durability.

Fabric Composition
97% Cotton / 3% Elastane.

Fit & Silhouette
Low-rise thong silhouette with a sleek, body-forward profile.

Rise
Low-rise design that sits below the natural waist for a modern fit.

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

Leg Openings
Covered elastic leg openings designed to stay smooth and comfortable against the body.

Waistband
1.5" exposed elastic waistband with bold C-IN2 branding for contrast and confident styling.


Care Instructions
Machine wash.
Imported.


C-Theory Collection

The C-Theory collection takes cues from color theory in fashion and art—where contrast and balance are used with intention. Solid, saturated fabric colors are paired with contrasting elastic details to create a bold look that feels deliberate, not loud.

Built on a textured cotton stretch fabric, C-Theory delivers everyday comfort with visual impact. It’s confident color, refined through proportion and contrast, designed to stand out without feeling overworked.

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

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

97% Cotton, 3% Elastane
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: 8002-481AS-XS

Complete the Set

Need help?

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

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4.7
Rated 4.7 out of 5 stars
Based on 122 reviews
Total 5 star reviews: 95 Total 4 star reviews: 20 Total 3 star reviews: 5 Total 2 star reviews: 2 Total 1 star reviews: 0
94%would recommend these products
Reviews Summary
Customers say these thongs are extremely comfortable and perfect for all-day wear. Many reviews mention the breathable fabric that prevents moisture buildup and the generous, supportive pouch that adapts well without being baggy. The textured material feels great against the skin, though some find it runs small and recommend sizing up. Common feedback includes praise for the vibrant colors and stylish waistband design. While most love the secure fit and no visible panty lines, a few note the front can feel tight or the waistband snug. Many customers become repeat buyers, with several mentioning they've purchased multiple pairs in different colors.
Customers Talked About
122 reviews
  • JM
    Joseph M.
    Verified Buyer
    Reviewing
    C-Theory Thong Pryce Purple
    I recommend this product
    Body Type Stocky
    Height 5' 7-5' 9
    Normal Size Worn M
    Size in Other Brands M
    Size Bought M
    Rated 5 out of 5 stars
    Yesterday
    Great

    Amazing and so comfortable.

  • RF
    Rob F.
    Verified Buyer
    Reviewing
    C-Theory Thong Godfry Green
    I do not recommend this product
    Body Type Short
    Height 5' 7-5' 9
    Normal Size Worn M
    Size in Other Brands M
    Size Bought M
    Rated 2 out of 5 stars
    5 days ago
    Fits small

    Order a medium but fits like a small,did not fit me :(

  • DB
    Dennis B.
    Flag of United States
    Verified Buyer
    Reviewing
    C-Theory Thong Pryce Purple
    I recommend this product
    Body Type Stocky
    Normal Size Worn XL
    Size in Other Brands L
    Size Bought XL
    Rated 5 out of 5 stars
    1 month ago
    Great color size & comfort9

    Great color size & comfort9

  • IV
    IVAN V.
    Verified Buyer
    Reviewing
    C-Theory Thong Oscar Orange
    I recommend this product
    Rated 4 out of 5 stars
    4 months ago
    Great color combination

    Great color combination

  • DT
    David T.
    Verified Buyer
    Reviewing
    C-Theory Thong Godfry Green
    Rated 3 out of 5 stars
    4 months ago
    Ok

    Ok