Your cart

Free US shipping on all orders, easy returns

Good news about black? It matches literally everything else we make
Cotton Thong in Black
Thin thong back with a bit of coverage around the hip
Paula is 5'10", jean size 25, wearing a size XS-M thong

Cotton Thong in Black

Rated 5.0 out of 5
7 Reviews
Perfect black jeans, perfect black heels, perfect black blazer: meet your new base layer bff.
  • Long Staple Cotton for the softest weave
  • Breathable and flexible (79% cotton, 21% elastane) 
  • Self binding at the waist and legs, meaning no digging
  • Higher cut leg + higher rise waist for a flattering silhouette
  • Flexible to wear higher up or down depending on taste
  • Easy to launder: machine wash warm, tumble dry low
  • 360° stretch means two sizes fit many
    • XS-M fits jean size: 24, 25, 26, 27, 28, 29
    • M-XL fits jean size: 29, 30, 31, 32, 33, 34

  • Questions? Talk to us: hello@negativeunderwear.com
Orders over $100 ship for free. 
All unworn items, with tags attached and in their original packaging are eligible for return or direct exchange within 21 days of placing your order.

Want to know our full returns policies? Here you go.

Want more info about shipping, materials or care instructions? Here!

Anything else? Email us at hello@negativeunderwear.com

    $15
    Perfect black jeans, perfect black heels, perfect black blazer: meet your new base layer bff.
    • Long Staple Cotton for the softest weave
    • Breathable and flexible (79% cotton, 21% elastane) 
    • Self binding at the waist and legs, meaning no digging
    • Higher cut leg + higher rise waist for a flattering silhouette
    • Flexible to wear higher up or down depending on taste
    • Easy to launder: machine wash warm, tumble dry low
    • 360° stretch means two sizes fit many
      • XS-M fits jean size: 24, 25, 26, 27, 28, 29
      • M-XL fits jean size: 29, 30, 31, 32, 33, 34

    • Questions? Talk to us: hello@negativeunderwear.com
    Orders over $100 ship for free. 
    All unworn items, with tags attached and in their original packaging are eligible for return or direct exchange within 21 days of placing your order.

    Want to know our full returns policies? Here you go.

    Want more info about shipping, materials or care instructions? Here!

    Anything else? Email us at hello@negativeunderwear.com

      Pair it with ->

      It's called a boss bra for a reason Perforated lace texture is edgy meets understated sexy
      Essaouira Demi Bra in Black $80
      Rated 4.7 out of 5
      25 Reviews
      Paula, shown here, is wearing a 32C Supportive but lightweight is basically the holy grail of bras
      Sieve Demi Bra in Black $70
      Rated 4.9 out of 5
      23 Reviews
      Sieve Non-Wire Bra in Black Honeycomb mesh creates a flattering shape and support
      Sieve Non-Wire Bra in Black $55
      Rated 4.9 out of 5
      66 Reviews
      Safe for work — our first and only lightly padded bra Extra wide elastic band doesn't dig or roll
      Stealth Mode Demi Bra in Black $80
      Rated 4.8 out of 5
      8 Reviews
      Write a Review
      average rating 5.0 out of 5
      Based on 7 reviews
      • 5 Stars
        7 Reviews
      • 4 Stars
        0 Reviews
      • 3 Stars
        0 Reviews
      • 2 Stars
        0 Reviews
      • 1 Star
        0 Reviews
      100% of reviewers would recommend this product to a friend
      Overall
      Rated 2 on a scale of minus 2 to 2, where minus 2 is Hated it, 0 is Meh and 2 is Loved it
      Quality
      Rated 4 out of 5
      Comfort
      Rated 5 out of 5
      7 Reviews
      Reviewed by Lo
      Verified Buyer
      I recommend this product
      Size Purchased
      M
      How it Fits
      True to Size
      Height
      5'9"
      Age
      25 - 34
      Jean Size
      • 29
      Rated 5 out of 5
      Review posted

      Cloud panties

      Idk about you, but "cotton panties" are not a super appealing undergarment to me. They can be stiff, confining and uncomfortable at times because they lack stretch. These undies are amazing. They're a super lightweight cotton that feels like it's blended--- almost like a sweater would be. They're thin, sheer, and really feel like you're not really wearing underwear, which for me is the goal. Love these so much, and they have a nice sexy higher rise to them.

      Loading...
      Overall
      Rated 2 on a scale of minus 2 to 2, where minus 2 is Hated it, 0 is Meh and 2 is Loved it
      Quality
      Rated 5 out of 5
      Comfort
      Rated 5 out of 5
      Was this helpful?
      Reviewed by Tayce
      Verified Buyer
      I recommend this product
      Size Purchased
      S
      How it Fits
      True to Size
      Height
      5'4"
      Age
      45 - 54
      Jean Size
      • 28
      • 29
      Rated 5 out of 5
      Review posted

      Fits Like a Glove

      I love that this thong fits like a glove. It doesn’t fall down and feels so soft against my skin.

      Loading...
      Overall
      Rated 2 on a scale of minus 2 to 2, where minus 2 is Hated it, 0 is Meh and 2 is Loved it
      Quality
      Rated 5 out of 5
      Comfort
      Rated 5 out of 5
      Was this helpful?
      Reviewed by KR
      Verified Buyer
      I recommend this product
      Size Purchased
      M
      How it Fits
      A Little Small
      Height
      5'9"
      Age
      25 - 34
      Jean Size
      • 28
      Rated 5 out of 5
      Review posted

      super comfy thong!

      the cotton is really soft and the cut feels good!

      Loading...
      Overall
      Rated 2 on a scale of minus 2 to 2, where minus 2 is Hated it, 0 is Meh and 2 is Loved it
      Quality
      Rated 4 out of 5
      Comfort
      Rated 5 out of 5
      Was this helpful?
      Reviewed by Heather M.
      Verified Buyer
      I recommend this product
      Size Purchased
      M
      How it Fits
      True to Size
      Height
      5'9"
      Age
      35 - 44
      Jean Size
      • 29
      Rated 5 out of 5
      Review posted

      Love

      So comfortable, my favorite pair of undies! My go-to 1st pick after laundry day

      Loading...
      Overall
      Rated 2 on a scale of minus 2 to 2, where minus 2 is Hated it, 0 is Meh and 2 is Loved it
      Quality
      Rated 5 out of 5
      Comfort
      Rated 5 out of 5
      Was this helpful?
      Reviewed by Joseph M.
      Verified Buyer
      I recommend this product
      Size Purchased
      S
      How it Fits
      True to Size
      Height
      5'2"
      Age
      55 - 64
      Jean Size
      • 27
      • 26
      • 28
      Rated 5 out of 5
      Review posted

      One and only

      My wife used to wear thongs often but for the last few years has stopped. She just doesn't find them comfortable anymore. The Negative cotton thong is the only one she wears now.

      Loading...
      Overall
      Rated 2 on a scale of minus 2 to 2, where minus 2 is Hated it, 0 is Meh and 2 is Loved it
      Quality
      Rated 5 out of 5
      Comfort
      Rated 5 out of 5
      Was this helpful?
      @negativeunderwear

      Book an Appointment







      Size Guide

      What size am I in Negative?

      If you already wear a certain bra size most often, you'll probably be the same in Negative - or at least that's the best place to start.

      Need More Help?

      If you've got specific questions, our awesome customer service team would love to help. No question is too small or TMI (trust us, we've heard it all) - hit us up: hello@negativeunderwear.com

      How do I find out what size I am in Bras?

      If you don't like the fit of your current bras, pull out a tape measure and let's figure out what size you are in 4 easy steps

      Step 1: Bra and Tape

      Wear your best-fitting, unpadded, underwire bra and nothing else. Grab a soft tape measure that is in inches.

      Step 2: Band Measurement

      Wrap a tape measure around your ribcage, following the base of your bra band - pull taut so there's no dip in the tape, but not so tight that you create an indent. This number, in inches, is your band measurement. If the number is odd, round up to the nearest even.

      Step 3: Bust Measurement

      Move the tape around the fullest part of your bust, typically at the center of your nips, wrap evenly around your back, holding taut without any dipping. Take this measurement in inches, this is your bust measurement.

      Step 4: Bra Size

      Take your bust measurement (second one) and subtract your band measurement (first one). Each inch difference between your band and bust measurements equals one cup size. The band measurement and cup size combined are your underwire bra size.

      An Example