Essential Thong

These seamless underwear maximize comfort, and disappear under even the tightest of tights. Plus, the quick dry gusset and soft, breathable fabric will keep you cool and dry all day long.

This underwear does not protect against leaks.

You can shop our Leakproof Underwear here

Please note: All underwear are final sale


Underwear Essentials

Your new favorite pair combines technical fabrics, innovative design, and refreshing functionality.
Heat Bonded Seams
Ensures a seamless fit. Wear under tight pants or leggings with no underwear lines.
Conforms to Your Body
Super-adaptive 4-way stretch material will relax with wash and wear and mold to your body.
average rating 4.6 out of 5
Based on 545 reviews
  • 5 Stars
    410 Reviews
  • 4 Stars
    89 Reviews
  • 3 Stars
    24 Reviews
  • 2 Stars
    11 Reviews
  • 1 Star
    11 Reviews
92% of reviewers would recommend this product to a friend
Comfort
Rated 4 out of 5
Quality
Rated 4 out of 5
Sizing
Rated 0 on a scale of minus 2 to 2, where minus 2 is Runs Small, 0 is True to Size and 2 is Runs Large
545 Reviews
Reviewed by Stephanie m.
Verified Buyer
Essential Thong
Reviewing
Essential Thong
I recommend this product
Pant Size
4
Size Purchased
S
Rated 5 out of 5
Review posted

Very comfortable

I love how comfortable and how soft these are!

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Comfort
Rated 5 out of 5
Quality
Rated 5 out of 5
Sizing
Rated 0 on a scale of minus 2 to 2, where minus 2 is Runs Small, 0 is True to Size and 2 is Runs Large
Was this helpful?
Reviewed by Lauren N.
Verified Buyer
Essential Thong
Reviewing
Essential Thong
I recommend this product
Pant Size
8
Size Purchased
M
Rated 5 out of 5
Review posted

Great fit!

Comfortable and stylish - would recommend!

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Comfort
Rated 5 out of 5
Quality
Rated 5 out of 5
Sizing
Rated 0 on a scale of minus 2 to 2, where minus 2 is Runs Small, 0 is True to Size and 2 is Runs Large
Was this helpful?
Reviewed by Alison C.
Verified Buyer
Essential Thong
Reviewing
Essential Thong
I recommend this product
Pant Size
4
Size Purchased
S
Rated 5 out of 5
Review posted

So comfortable

I haven't tried the period panties yet, but I've swapped out all my old undoes with knix essential thongs, boyshorts, and bikinis. I love them all.

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Comfort
Rated 5 out of 5
Quality
Rated 5 out of 5
Sizing
Rated 0 on a scale of minus 2 to 2, where minus 2 is Runs Small, 0 is True to Size and 2 is Runs Large
Was this helpful?
Reviewed by Candace K.
Verified Buyer
Essential Thong
Reviewing
Essential Thong
I recommend this product
Pant Size
14
Size Purchased
XL
Rated 5 out of 5
Review posted

Most comfortable

Best thong ever.. stays in place no riding up or falling down.. so comfy..

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Comfort
Rated 5 out of 5
Quality
Rated 5 out of 5
Sizing
Rated 0 on a scale of minus 2 to 2, where minus 2 is Runs Small, 0 is True to Size and 2 is Runs Large
Was this helpful?
Reviewed by Sarah S.
Verified Buyer
Essential Thong
Reviewing
Essential Thong
I recommend this product
Pant Size
4
Size Purchased
S
Rated 5 out of 5
Review posted

Essential Underwear/Thongs

Amazing products - fit well and are very comfortable! Have already placed another order. Well worth the extra money.

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Comfort
Rated 5 out of 5
Quality
Rated 5 out of 5
Sizing
Rated 0 on a scale of minus 2 to 2, where minus 2 is Runs Small, 0 is True to Size and 2 is Runs Large
Was this helpful?