The High Waisted Period. in Organic Cotton For Heavy Flows
The High Waisted Period. in Organic Cotton For Heavy Flows
The High Waisted Period. in Organic Cotton For Heavy Flows
The High Waisted Period. in Organic Cotton For Heavy Flows
The High Waisted Period. in Organic Cotton For Heavy Flows
The High Waisted Period. in Organic Cotton For Heavy Flows
The High Waisted Period. in Organic Cotton For Heavy Flows
The High Waisted Period. in Organic Cotton For Heavy Flows
The High Waisted Period. in Organic Cotton For Heavy Flows
The High Waisted Period. in Organic Cotton For Heavy Flows
The High Waisted Period. in Organic Cotton For Heavy Flows
The High Waisted Period. in Organic Cotton For Heavy Flows

The High Waisted Period. in Organic Cotton For Heavy Flows

4.2
Rated 4.2 out of 5 stars
1,852 Reviews
Regular price $12.00
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Super absorbent. Built for heavy days. 

Absorbs 9 tampons worth of flow or five pads. 

Hi! I’m super-super-super absorbent and designed to handle the heaviest days of a period. I’m made of soft, comfy organic cotton and have a four-layer padded towel absorbency that holds your flow. I have a wicking layer on top, so I can absorb the blood super fast with no wetness. You will feel padding, but frankly, on those heavy days, feeling secure, safe, and leak proof is a pretty great feeling, alongside being so comfy and cozy. Warning: after you use me once, you will look at tampons and disposable pads and pretend you don’t know them. Be cold. They deserve it. 

When to wear: on your heaviest days. Also great for postpartum and perimenopause.

Trying to do period math? Click here to work out how many pairs you need for your period according to your Flow Threshold.

This style runs true to size. Order your most standard size. 

You can see our size chart here.

Our Fabrics

Body: 95% Organic Cotton with 5% Spandex Jersey

Absorbent Layer: 100% Polyester  

Leak Resistant Layer: 100% Polyester PUL

 

How to take care of your Period.

Rinse for a few seconds.

Either hand wash and hang dry, or add to the laundry pile.

Regular wash, no bleach.

Tumble dry low or hang dry.

Do not dry clean.

None, zero, nada, zilch. We are proud to be one of the few period underwear brands that do not use any toxins in our products because who wants chemicals near the most sensitive part of their body? Not us. Or you.

Each pair of Period. underwear can hold up to 10 tablespoons, or 8-10 tampons, worth of blood.

Check out our absorbency test video here.

You can see the length of the absorbent panel here.

How long will one pair of Period. last?

Everybody periods differently so it’s tough to be exact. Our average time is about 8 hours on a heavier flow day. Though some customers need to change after 3 to 4 hours, and others can go up to 14 hours (lucky them!). As your period gets lighter, one pair can take you through the day and night (just like regular underwear). But again, everybody Periods differently, so you need to take one cycle to figure out exactly how often you need to change. Start with a conservative estimate on your heavy days, and check in on your Period underwear after 4 hours. If you still feel good, give it another hour. Keep going until you figure out your limit. Here at Period, we find we need between 3 to 4 pairs on the first two heavy days, including evenings. And if you leak, please forgive us! Just this once. (Remember how many tampons you have forgiven). Treat the ‘leak’ as a gift and note the hour of your leakage. That is the best indicator of your ‘flow threshold’ how long the underwear will last for you.

Message from a Coral Reef: Hi! Thank you for using non disposable products. It may feel like a small gesture - but it’s not. I’m sick of getting tampons and pads getting caught up in my beautiful branches and you’re helping to keep that trash out of my home. Just one pair of Period means that 5 pads/9 tampons are never used or thrown away. Thank you! Next time you swim by me, stop and say hi. 

4.2
Rated 4.2 out of 5 stars
Based on 1,852 reviews
Total 5 star reviews: 1.1k Total 4 star reviews: 361 Total 3 star reviews: 263 Total 2 star reviews: 106 Total 1 star reviews: 58
77%would recommend this product
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1,852 reviews
  • WA
    Whitley A.
    Verified Buyer
    I recommend this product
    What size of underwear do you typically wear? XL
    What size in Period. did you purchase? 2X
    What do you use your Period. products for? Primary Period Protection, Overnight Protection , During Exercise , Period Backup
    Rated 5 out of 5 stars
    Yesterday
    Best period undies

    I sized up and it's a little big but not overly so. Better than having it dig in when everything already suuuuucks. But they're so comfy, and they do exactly what i need them to! Rinsing was easy, kinda surprised at how much blood they hold!

  • A
    Alli
    Verified Buyer
    I recommend this product
    What size of underwear do you typically wear? L
    What size in Period. did you purchase? XL
    What do you use your Period. products for? Primary Period Protection, Overnight Protection
    Rated 4 out of 5 stars
    2 days ago
    Love these for feeling bulletproof!

    I'm still using my set from, like, 2020 and just ordered more! I love these for overnights and days where I just frankly can't be bothered to pay attention to flow. Slide a pair on and I'm good to go! They're not my favorite for steamy summer days though - they do start to feel a little thick crammed into jean shorts. Trying out the microfiber for those days!

  • N
    n
    Verified Buyer
    I recommend this product
    What size of underwear do you typically wear? S
    What size in Period. did you purchase? S
    What do you use your Period. products for? Primary Period Protection, Overnight Protection , Everyday wear , During Exercise
    Rated 5 out of 5 stars
    2 days ago
    Whoa

    I’m a longtime Thinx user and I heard about these online somewhere, can’t remember where exactly. The lower price per pair, the commitment to being PFAS-free, the design being similar to Thinx’s now-retired cotton brief design (rip) in a way that I liked… I figured I should give y’all a try because my old standbys from Thinx had gotten accidentally tossed in the dryer too many times anyway and were losing their absorbency. Anyway, I’m so glad I did!!! I went a whole 8+ hours without having to change on one of the heavier days of my period. Couldn’t say that about Thinx. The fit is great, too - delightfully high-waisted, handles bloating/extension like a champ. Thank you, thank you, thank you. These are my new go-tos from here on out!

  • AC
    Aimee C.
    Verified Buyer
    What size of underwear do you typically wear? 3X
    What size in Period. did you purchase? 3X
    What do you use your Period. products for? Period Backup, Overnight Protection
    Rated 3 out of 5 stars
    3 days ago
    Period underwear

    They are an amazing backup to pads, but I only wore them once, and they ripped at the seam.

  • A
    Amanda
    I recommend this product
    Rated 5 out of 5 stars
    1 week ago
    5 Stars

    The best I’ve tried! Love love love

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