Thinx for All

Cotton Brief

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A comfy, mid-rise hipster brief made from cotton, with full bottom coverage and a classic, flattering fit. This style is built to handle heavy flow days.


This style has full-gusset coverage and fits true to size, so we recommend ordering your usual size.

These are the perfect starter for your period underwear collection: a classic silhouette with heavy-duty absorbing power.


  • body: 95% cotton 5% elastane
  • gusset 1 (wicking): 100% polyester
  • gusset 2 (absorbent): 96% cotton 4% elastane
  • gusset 3 (barrier): 100% polyester, coated w/ breathable PU
  • polyester, cotton, elastane, polyurethane, Agion®, Lava XL-N®

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

care instructions

Wash before wearing. Hand wash or machine wash cold on a delicate cycle. Do not use bleach or fabric softener. Hang dry — no ironing please!

introducing Thinx for All

Thinx for All

Everyday period underwear made from comfy cotton, available in our most popular absorbency levels.

These have changed my whole period experience, so I will definitely buy more! I felt secure the whole day and they were super easy to wash.
Melanie, Omaha, NE

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!

Thinx - PDP - create a set

buy more, save more

Mix and match any Thinx undies — and you can save up to 20%.