45-day trial
+ free returns

Don’t love 'em?
Get your $ back
no Qs asked

Thinx for All

Cotton Boyshort

Original Price

$19

Thinx underwear is not made or treated with PFAS

45-day trial
+ free returns

Don’t love 'em?
Get your $ back
no Qs asked

Thinx underwear is not made or treated with PFAS

absorbency heavy

holds4
worth.
colorBlack
Select a color

size

size chart

style

A comfy, mid-high-rise boxer brief made from cotton, with maximum coverage and a unisex fit. This style is built to handle heavy flow days.

Thinx underwear is not made or treated with PFAS.

fit

This style has a lil’ extra length in the leg and full gusset coverage. It fits true to size, so we recommend ordering your usual size.

TFA_Boyshort_Style+Fit.jpg
Perfect for layering under dresses or pants to avoid thigh chafing while staying protected from leaks.

fabric

  • 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®
  • Thinx underwear is not made or treated with PFAS.

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.

I love the extra added level of protection these offer during my period. I feel more confident when I am wearing these!
Cari, Buckeye, AZ

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%.

FAQs