20% off Surprise Flash Sale ends in:



Original Price


Sale Price


absorbency Lightest

holds 1worth.
Select a color


size chart


A barely-there style with a lace waistband and no visible panty line, made for your lightest days.


This style has minimal coverage and fits true to size, but feel free to size down if you prefer a tighter fit.

Thinx - Thong - Style+Fit.jpg
Wear this one at the end of your period, or as a backup layer of protection with tampons or a cup.


  • body: 84% polyamide, 16% elastane
  • body liner: 95% cotton, 5% elastane
  • gusset 1 (wicking): 95% cotton, 5% elastane
  • gusset 2 (absorbent): 96% cotton, 4% elastane
  • gusset 3 (barrier): 100% polyester, coated w/ breathable PU

Our underwear is certified according to STANDARD 100 by OEKO-TEX:registered: [20.HUS.04850 | HOHENSTEIN HTTI]

care instructions

Hand wash or wash cold on a delicate cycle. Do not use bleach or fabric softener. Hang dry – no ironing please!

It's ideal for those “will I get it?” days and the “thank god it’s almost over” days. Even on my heavy days, I wear them with my cup to avoid leakage.
Liv from Toronto, Ontario, medium to heavy flow

how our period underwear works

Thinx - PDP - take the Know Your Flow quiz

find your style

Tell us a li'l bit about your flow, and we'll match you with the right pair!

take the quiz
Thinx - PDP - create a set (August Sale)

Surprise Flash Sale

Create your own Set and take 20% off for a limited time.

save on Sets


average rating of 4.9 out of 5 stars out of 5 stars

based on 756 reviews

Average Fit

Customers rate Average Fit as being: between true to size and runs big

Days Worn On

Customers rate Days Worn On as being: between light and moderate

    0 reviews

    0 reviews


    size purchased

    period management

    days mostly worn on

    No Reviews Found