underwear that absorbs your period
in styles that hold up to 5 regular tampons’ worth
in styles that hold up to 5 regular tampons’ worth
a postpartum necessity
Introducing our curated postpartum sets — for the ease, comfort, and support you need most.
give $10 get $10
For each friend you refer, you earn $10! They'll also get $10 off their first purchase.
customize your Set
Save up to 20% when you mix & match 3+ styles.
free, no hassle returns & exchanges
60-day money-back guarantee!
p.s. *free* standard shipping on your first order when you create an account
free, no hassle returns & exchanges
60-day money-back guarantee!
p.s. *free* standard shipping on your first order when you create an account
free, no hassle returns & exchanges
60-day money-back guarantee!
p.s. *free* standard shipping on your first order when you create an account
free, no hassle returns & exchanges
60-day money-back guarantee!
p.s. *free* standard shipping on your first order when you create an account
using Thinx is simple
comfortable
just like regular underwear
absorbent
from light to super
machine-washable
just wash, hang dry, and reuse
now trending
the latest
Have a peaceful period week in our most comfortable, breathable collection of undies.
now trending
New & improved true plus sizes are here.
Overnight protection = no more period nightmares.
Styles that hold up to 5 regular tampons’ worth.
Meet Thinx air™, featuring ultra-thin micromesh.
Endometriosis Isn’t Just a “Painful Period Disease”
Our Team’s Fave Styles of Period Underwear
New & improved true plus sizes are here.
Overnight protection = no more period nightmares.
Styles that hold up to 5 regular tampons’ worth.
Meet Thinx air™, featuring ultra-thin micromesh.
Endometriosis Isn’t Just a “Painful Period Disease”
Our Team’s Fave Styles of Period Underwear
styles for you
Sleep Shorts
$50.00
2 colors
Super Hiphugger
$35.00
4 colors
Heavy Hiphugger
$35.00
2 colors
Not sure which Thinx are right for you? Take our quick quiz.
Cotton Boyshort
$38.00
3 colors
Super Cotton Brief
$35.00
4 colors
Super Hi-Waist
$35.00
3 colors
Need extra protection for those heavy days?
Cotton Thong
$25.00
1 colors
Thong
$25.00
2 colors
Cheeky
$30.00
3 colors
For those just-in-case days when you still want to feel stylish.
Let’s find the right pair of Thinx for your ~flow~
absorbency
tampons
liners
pads
cups
Thinx for every flow
giving rise to menstrual equity
With your help, the Thinx Inc. GiveRise program is advancing access to period products and supporting organizations championing reproductive healthcare, community giveback initiatives, and more. When you buy Thinx or make an in-cart donation, you’re helping fund periods near and far.
it’s okay to have questions!
how often should I change them?
how often should I change them?
how do I know what size to get?
how do I know what size to get?
how would Thinx work for me?
how would Thinx work for me?
ready to get your Thinx?
ready to get your Thinx?
shop all styles