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Seamless Brief — Non-Leakproof

Seamless Brief — Non-Leakproof

  • Zero Absorbency
$32
$0 $32
Sale Sold out
Absorbency
Size
Color: Volcanic Black

All of the freedom, none of the panty lines. 

Your favorite full-coverage style in a seamless, super-stretchy body fabric, now available with a non‑leakproof gusset for everyday wear. The 100% cotton gusset offers max breathability on days when you don’t need a leakproof lining. With LYCRA® XTRA LIFE™, your undies last longer and stretch farther without losing their shape and silky-smooth texture. Luxe, four-way stretch is designed to flex with you through weight fluctuations, workouts and your favorite yoga poses, without missing a beat—or showing a single seam.

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 undies spend more years on your booty and less in landfills. Nice.

  • Body: 62% polyamide, 38% Lycra® Xtra Life elastane
  • Gusset: 100% cotton

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 full coverage

Seamless

Runs true to size
Runs small
Runs big

Care Instructions

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. 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.

Zero Absorbency

Holds up to:
Does not replace tampons
Does not replace pads
Best for:
  • Non-period days
  • Any day you don't need a leakproof lining
  • Maximum breathability

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

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

Heavy Absorbency

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

Super Absorbency

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

So comfy, we made it for every day.

  • Saber

    So far, I have purchased 8 pairs of this underwear. They are worth every penny! First, these are soft and smooth. You feel like you are not wearing any underwear at all. They do not cut into your skin or show under your clothing. Next, they are pretty! Along with a fantastic money back guarantee, there is no reason not to try this underwear.

  • Tricia

    I have tried so many styles and brands and my new Saalt are by far my favorite ever. The seamless fabric is amazing, light and soft. I have a bigger bottom so full back coverage can be tricky for me to find, these work very well. Sizing wise, these are very stretchy. I got a medium and was worried they'd be too small on my shape, but they were perfect.

  • Sal

    I love these seamless thongs. I bought some a few months ago and they are now my go-to everyday thong. The material holds up and keep their shape and stretch without cutting into my love handles. They stay up and don't fall. I have literally cleared out my panty drawer and have replaced them with a sea of black and terracotta seamless thongs. I love these thongs...did I mention that?!

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Non-Leakproof seamless collection

Premium Design. Comfortable Fit.

Designed to flex with you through yoga class or a night out and stay invisible under your tailored workwear.

  • 100% cotton non‑leakproof gusset for max breathability

  • Stretches to 3x its size without losing its shape or silky-smooth texture

Three females wearing black tops with brown leak-proof underwear

Wear-every-day breathability with no leakproof lining.

  • Zero Absorbency
  • Seamless with no VPL
  • 100% cotton gusset
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.