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Leakproof Seamless Bikini

Leakproof Seamless Bikini

Super Absorbency
Replaces 6+ pads or 8+ tampons
$20
$36 $20
Sale Sold out
Absorbency
Size
Color: Midnight Sky
Limited Edition

Buy 3+ save 10% | 5+ save 15% | 7+ save 20%

  • Made with super stretchy fabric and smooth bonded seams for a second-skin fit
  • EE369C55-C832-48FE-BB1F-D7D5B2E8292F Created with sketchtool.
    Not treated with PFAS
  • Thinnest and driest gusset technology
  • Machine washable

Slip into any outfit without rethinking your underwear.

The just-cheeky-enough, super flattering style for any occasion. Put on light-colored pants without stopping to rethink your underwear. The patented ultra-thin absorbent gusset means protection is built in, not built up. This is the pair you reach for on busy days, when you want everything to stay exactly where it should. With barely-there nude shades and a second-skin fit so smooth you'll forget you're wearing anything, this one’s an instant go-to.

If you're looking for more gusset coverage toward the front, try our brief instead.

Fabric

Sleek, super-stretchy body fabric gives you all the freedom with none of the panty lines. Made with 4-way stretch fabric and luxe bonded seams that move with you. Second-skin fit glides so smoothly, you'll forget you're wearing anything.

  • Body: 62% polyamide, 38% elastane
  • Lining: 92% recycled polyester, 8% elastane, polyurethane
  • Gusset: 100% polyester

How It Fits

  • Low-rise with a little cheekiness
  • Seamless body fabric is ultra-stretchy and hugs the body. It's great for those who want no VPL under even the tightest-fitting clothing, or for those who prefer stretch that accommodates body changes. If you're between sizes, consider sizing down for the best fit.

Seamless

Runs true to size
Runs small
Runs big

Care Instructions

After use, rinse your Saalt Wear leakproof underwear in cold water to help avoid staining. Then, hand wash or machine wash on cold, preferably in a Saalt Mesh Laundry Bag intended for delicates. You can use detergent but pass on the fabric softener, bleach, or iron to protect the tech. Proudly hang dry—energy efficient and free. We recommend avoiding putting Saalt Wear in the dryer, as high temperatures can degrade the elastics and fabric over time.

90-Day Saalt Bliss Guarantee

Love it or we’ll make it right. Love your Saalt products, or you have 90 days to return or exchange them. Why? We know that learning to use reusables can take time, but we're here to help and cheer you to Saalt bliss. Your Saalt(isfaction) guaranteed.

Please note: If you’re trying Saalt Wear for the first time, we recommend starting with one pair before opening the rest. Unopened pairs are eligible for a refund, while the first pair you try can be exchanged for store credit if needed.

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Saalt Wear Size Chart

  Waist (in) Hips (in) Pant Size (US) Trouser Size (UK) Youth Size
XXS 23" 29 - 30" 0 0 - 2 9 - 10
XS 24 - 25" 30 - 33" 0 - 2 4 - 6 11 - 12
S 26 - 27" 33 - 37" 2 - 4 6 - 8 13 - 14
M 27.5 - 29" 38 - 40" 6 - 8 13 - 14 15 - 16
L 29.5 - 31.5" 41 - 44" 10 - 12 14 - 16
XL 32.5 - 34.5" 45 - 46" 14 - 16 18 - 20
2XL 35.5 - 38" 47 - 50" 18 - 20 22 - 24
3XL 39 - 43" 51 - 54" 22 - 24 26 - 28
4XL 44 - 48" 55 - 58" 26 - 28 30 - 32
Waist measurement diagram
  1. Measured at your belly button.
  2. Measured around the widest part of your hips.

Comfort

Runs true to size
Runs small
Runs big

Cotton

Runs true to size
Runs small
Runs big

Lace & Mesh

Runs true to size
Runs small
Runs big

Seamless

Runs true to size
Runs small
Runs big

Saalt Cup Size Chart

70mm

Regular Saalt Cup

Saalt Regular

  • Normal to heavy flow
  • 3 - 4 tampon capacity
  • 30 ml capacity

Recommended for:

  • High cervix
  • Post-childbirth
70mm

Small Saalt Cup

Saalt Small

  • Light to normal flow
  • 2 - 3 tampon capacity
  • 25 ml capacity

Recommended for:

  • Low cervix
  • First-time cup user and 18 years or older
65mm

Teen Saalt Cup

Saalt Teen

  • Light to normal flow
  • 1 - 2 tampon capacity
  • 15 ml capacity

Recommended for:

  • Low cervix
  • Under 18 years old or petite physique

Saalt Disc Size Chart

66mm
Regular Saalt disc

Saalt Disc Regular

  • Normal or heavy flow
  • 5 - 6 tampon capacity
  • 50 mL volume

Recommended for:

  • New disc user
  • High cervix
  • Trouble keeping menstrual discs inserted
56mm
Small Saalt Disc

Saalt Disc Small

  • Light or normal flow
  • 3 - 4 tampon capacity
  • 30 mL volume

Recommended for:

  • Light flow
  • Low cervix
  • Teens or young adults

Teen Saalt Wear Size Chart

Youth Size Waist (inches) Hips (inches)
S (9-12) 23 - 24" 29 - 31"
M (11-12) 24.5 - 25.5" 31.5 - 32.5"
L (13-14) 26 - 27" 33 - 35"
XL (15-16) 27.5 - 29" 36 - 38"

Waist measurement diagram

  1. Measured at your belly button.
  2. Measured around the widest part of your hips.

Bralette Size Chart

Cup/Band 30" 32" 34" 36" 38" 40" 42"
A XS XS S M L XL XXL
B XS XS S M L XL XXL
C XS S S M L XL
D XS S M L XL XXL
DD S M L XL XXL
Bra measurement diagram
  1. Bust Measurement:
    Wearing a bra with no padding (preferably with an underwire to give the needed lift), measure around the fullest part of your bust. Round the measurement to the nearest inch.
  2. Band Measurement:
    Measure around the top of your rib cage where the bottom band of the bra will rest. Round the measurement to the nearest inch.
    Not sure about your cup size? Subtract your band measurement from your bust measurement. A difference of 1"=A, 2"=B, 3"=C, 4"=D, 5"=DD.

hanky panky+ [powered by Saalt] Size Chart

  Waist (in) Hips (in) Dress Size (US)
XS 24 - 25" 34 - 35" 0 - 2
S 26 - 27" 36 - 37" 4 - 6
M 28 - 29" 38 - 39" 8 - 10
L 30 - 33" 40 - 43" 12 - 14
XL 34 - 37" 44 - 46" 14 - 16
One Size 36 - 45" 4-14
Waist measurement diagram
  1. Measured at your belly button.
  2. Measured around the widest part of your hips.

Super Absorbency

Holds up to:
8+ tampons
6+ pads
Best for:
  • Heaviest flow days and overnight
  • Bladder leaks
  • Postpartum wear

Heavy Absorbency

Holds up to:
4 tampons
3 pads
Best for:
  • Heavy flow days and overnight
  • Postpartum wear
  • Bladder leaks

Regular Absorbency

Holds up to:
3 tampons
2 pads
Best for:
  • Sweat and discharge
  • Worry-free backup to a cup, disc or tampon
  • Regular period flow
  • Light bladder leaks

Light Absorbency

Holds up to:
2+ light tampons
1+ liner
Best for:
  • Sweat and discharge
  • Worry-free backup to a cup, disc or tampon
  • Light flow days and spotting
  • Pantyliner replacement

9/10 People Never Go Back

  • Jessica J

    I bought myself a few pairs and I'm not kidding when I say they are so comfortable and fit perfect, I would wear them every single day!!! I feel so good about replacing all the pantyliners I use when I am on my period. Thank you Saalt!

  • Euna

    I wanted to avoid panty lines and the bulk of pads while still wearing leggings at the gym. My solution was Saalt's seamless underwear. I was skeptical at first, but honestly they're very thin and comfortable making it the perfect thing to wear under leggings.

  • Michelle C.

    These are great! The period panties I've ordered from other brands feel like thin diapers mixed with granny panties. These are cute, they work, and I'm definitely going to buy more!

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Premium Design. Comfortable Fit.

Welcome to the thinnest, driest, and most comfortable leakproof underwear you'll ever wear.

  • Patented gusset

    technology

  • Reusable and replaces hundreds of pads and liners

  • Worry-free backup to a tampon, cup or disc

  • Not treated with PFAS
Female wearing leak-proof underwear

Your one-stop (sustainable) shop for all leaks.

Leakproof period underwear designed to withstand laughing with your best friend, the sweat of spin class, vivacious sneezes, and periods. It does it all, just like you.

Female placing period underwear in Saalt packaging

Take good care of Saalt Wear leakproof underwear and it will take great care of you.

  • Rinse in cold water

  • Machine wash cold

  • Proudly hang dry

Do not use fabric softener or bleach to protect the tech | Do not iron

Serang Monastery Female holding skin tone colored period underwear

Do good every wear.

Saalt is a B Corp. That means we use business as a force for good and give 1% of revenue to donate period care to women and girls in need.

Overall rating: 4.235495 / 5 from 293 reviews.

AI Generated Review Summary

The Leakproof Seamless Bikini offers a comfortable, leakproof, and flattering fit for various occasions. Customers appreciate its soft, absorbent fabric and high-quality materials, though opinions vary on the fit and size.

Summary topics

  • Leakproof Feature: 6%
  • Comfort and Absorbency: 11%
  • Material Comfort: 9%
  • Leakproof Performance: 8%
  • Product Fit: 16%

Review topics: ["size","protection","quality","absorbency","color","smell","feel","fit","design","texture","material","issues","style","coverage","customer service","price","clothes","confidence","comfort","liner","use","works","underwear","fabric","leaks","panties","pads","pair","brand","saalt"].

Review highlights

  • "I like the feel and texture, but they are pricey." — Sara
  • "The fabric is incredibly soft and comfortable." — Mindy U.
  • "So comfy and great quality, first period underwear I actually want to wear." — Maggie A.

Reviews

Great concept, appreciate the variety

"Sad to say, that if you’re sitting for a while these are going to leak. When I’m on my feet and active I don’t have any issues, but as soon as i sit it just pushes anything absorbed right out. I purchased several pairs with different absorbency, and they all leak"

— Lalah D. (3/5)

Already falling apart

"I bought these, having really high hopes. However, even after 1 period, it is already falling apart at the seams. . . very disappointed that it couldnt even last more than 1 period."

— Rhea M. (3/5)

Buy It…NOW

"I usually purchase the cotton ones but seamless felt better for me. I did buy multiple colors. Make sure you hang to dry!!!"

— Kenya J. (5/5)

Love the pants but hate

"Love the pants but hate that the crotch is black on the cream colored ones - too weird. This is not shown or described on your website. I will only buy the black pants in the future."

— Marilyn S. (4/5)

Overall Works as Expected

"I personally don't really like the idea of using period underwear by itself for my period- washing it on a heavy day feels gross. However, it is definitely a great backup for the disc, and it's nice to use on day 5 when there's not much coming out of me anyways. I also like to wear it in the days leading up to my period, just in case it starts early- I don't like wasting liners! With that said, I did use it for an hour or two on a heavier period day, after removing the disc, but before my shower. I was just lounging around on my couch, not really expecting the underwear to need to do any heavy lifting in that short amount of time. Lo and behold, I needed it to. I discovered that, while nothing leaked out onto my pjs, the slippery material of the seamless bikini doesn't exactly keep it in the right place on my body to catch everything in the dark absorbent crotch. The crotch is very absorbent, but the rest of the underwear, understandably, is not. I think I'll go with the cotton ones for normal use, the seamless will be helpful for special occasions under a dress with a disc in."

— Dana R. (3/5)

Awesome

"I was tired of my period keeping me from the gym so I bought these to wear instead of my normal “granny’s”. These are EXCELLENT and I want more. I actually don’t feel like I’m wearing a diaper but I’m protected. Freaking awesome."

— Jessica H. (5/5)

Very worth it!

"I put all my friends onto these! I hate pads because they feel like wearing a diaper. With these it feels dry just like wearing normal underwear."

— Macey J. (5/5)

It is a great pair

"It is a great pair of leakproof underwear, as usual with my experience with Saalt. My only qualm is that the leak-proof portion is a bit thick, and not particularly flexible (which may change with more wear) but it is a bit annoying because even though the underwear don't create panty lines, the leakproof pad is so thick/stiff the seam where it meets the rest of the underwear at the butt still shows through tighter clothes, so it isn't really "seamless" looking."

— Marian S. (4/5)

So absorbent and comfortable

"These are perfect. They are super absorbent, seamless, comfortable and flattering. I can wear them under yoga pants or pretty much anything and not feel like I have huge panty lines or like I'm wearing a diaper."

— Aliza P. (5/5)

Didnt receive order or hear back from customer service

"Have yet to hear back from customer service about missing order"

— Anna P. (1/5)

Q&A

90-Day Saalt Bliss Guarantee

Love it or we’ll make it right. Love your Saalt products, or you have 90 days to return or exchange them. Why? We know that learning to use reusables can take time, but we're here to help and cheer you to Saalt bliss. Your Saalt(isfaction) guaranteed.