Heavy Period Kit

Introducing the Heavy Period Kit - 100% period-proof protection for those with a heavier cycle. Say goodbye to pads & tampons!

Your Heavy Period Kit includes:

  • 4 Black Super ‘Oh-No’ Proof Underwear 
    The most absorbent period underwear ever - absorb up to 8 tsp of blood (that’s 8 tampons!)
  • 1 Black Sleepover Short 
    Comfy and protective pajama shorts - absorb up to 4 tsp of blood
  • 1 Reusable Pouch
    To hold all your period necessities! 

Everything you need to have a completely waste-free cycle. Plus, save your sheets and catch more Zzz’s with the Sleepover Short designed specifically for overnight period protection.  

Ready to ditch the disposables for incredibly comfortable and machine-washable undies? Just choose your underwear size (XS-XXL) and style (Bikini or Boyshort) and leave the bulky pads and leaky tampons behind! 


Knixteen Period Underwear FAQs

Period Proof Technology
Reviews
average rating 5.0 out of 5
Based on 2 reviews
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100% of reviewers would recommend this product to a friend
2 Reviews
Reviewed by Jade
Verified Reviewer
I recommend this product
Rated 5 out of 5
Review posted

The Best Underwear for Heavy Periods

I purchased this kit because I have a HEAVY flow that just won't quit some days. It really works so well! I know all my friends thought it would feel like "sitting in a diaper" but boy are they wrong! The underwear stays dry and comfortable. The kit is such a good deal for the 4 underwear, shorts and pouch too that get me through my entire cycle. Worth it!

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Reviewed by Christine
Verified Reviewer
I recommend this product
Rated 5 out of 5
Review posted

Teen Approved

I bought this kit for my daughter who is absolutely in love! She used to go through 3-4 pads a day, but just wears one pair of these Super 'Oh-No' Proof underwear now! It's perfect for her since there's just enough underwear included to get her through the most heavy days of her cycle, plus the shorts for nighttime. Such a great product!

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