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Leakproof Seamless Thong

Leakproof Seamless Thong

Light Absorbency
Replaces 1+ liner or 2+ light tampons
$30
$0 $30
Sale Sold out

Buy 3+ save 15% | 5+ save 20% | 7+ save 25%

Absorbency
Size
Color: Crimson Rose
  • Seamlessly made with LYCRA® XTRA LIFE™ for long-lasting second-skin fit
  • EE369C55-C832-48FE-BB1F-D7D5B2E8292F Created with sketchtool.
    Not treated with PFAS
  • Thinnest and driest gusset technology
  • Machine washable

All of the freedom, none of the panty lines.

Meet your new gym buddy and all-night dance partner. Saalt’s patent-pending absorbent gusset tech teams up seamlessly with LYCRA® XTRA LIFE™ so your leakproof undies last longer and stretch farther, without losing their shape and silky-smooth texture. Protection for light period leaks, discharge, and sweat, with enough stretch to get you from the yoga mat to the dance floor—without a panty line in sight.

Best for light flow days, spotting, discharge, everyday protection to replace a panty liner, or as a worry-free backup to a cup, disc, or tampon.

Fabric

Sleek, super-stretchy body fabric gives you all the freedom with none of the panty lines. Made with ultra-durable LYCRA XTRA LIFE fiber so your leakproof undies spend more years on your booty and less in landfills. Nice.

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

How It Fits

  • 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.
  • Mid-rise with no panty lines

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 (Saalt Period Underwear Detergent is ideal) 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.

Saalt Bliss Guarantee

If you're not happy with your Saalt product, we'll send you a replacement you'll love or your money back up to a full year from purchase. Why? We know that learning to use reusable options can take some time, but we promise to be with you every step of the way. From video tutorials to live tips and personalized help from our dedicated Saalt Coaches, we’re here to help and cheer you to Saalt bliss. Your Saalt(isfaction) guaranteed.

Please note: If you order multiple pairs in the same size and aren’t sure how they will fit, we ask that you only open and try on one first to be eligible for a refund or replacement.

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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

Recommended for:

  • High cervix
  • Post-childbirth
70mm
Small Saalt Cup

Saalt Small

  • Light to normal flow
  • 2 - 3 tampon capacity

Recommended for:

  • Low cervix
  • First-time cup user and 18 years or older
56mm
Teen Saalt Cup

Saalt Teen

  • Light to normal flow
  • 1 - 2 tampon 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

  Waist (inches) Hips (inches) Youth Size
S 23 - 24" 29 - 31" 9-10
M 24.5 - 25.5" 31.5 - 32.5" 11-12
L 26 - 27" 33 - 35" 13-14
XL 27.5 - 29" 36 - 38" 15 - 16
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.
 

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.

  • Patent-pending 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.

Saalt Bliss Guarantee

If you're not happy with your Saalt product, we'll send you a replacement you'll love or your money back up to a full year from purchase. 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.