Super Leakproof Bikini

Introducing the most absorbent period underwear ever - up to 8 tampons worth! Switch from relying on disposable products to wearing incredibly comfortable and machine-washable bikini underwear that will protect you every day of your cycle!

Please note: All underwear are final sale

Super Leakproof Benefits

Super Protection
Our state-of-the-art fabric can absorb up to 8 tsp of liquid and stop it from leaking through.
Conforms to Your Body
Adaptive 4-way stretch material that also relaxes with wash and wear for a perfect fit.
Makes Less Waste
Total protection on your heaviest days so you don't have to rely on disposables anymore!

Knix Leakproof Period Underwear FAQs

Super Leakproof Technology
average rating 4.7 out of 5
Based on 209 reviews
  • 5 Stars
    164 Reviews
  • 4 Stars
    32 Reviews
  • 3 Stars
    6 Reviews
  • 2 Stars
    5 Reviews
  • 1 Star
    2 Reviews
96% of reviewers would recommend this product to a friend
Rated 4 out of 5
Rated 4 out of 5
Rated 0 on a scale of minus 2 to 2, where minus 2 is Runs Small, 0 is True to Size and 2 is Runs Large
209 Reviews
Reviewed by Kathryn T.
Verified Buyer
I recommend this product
Pant Size
Size Purchased
Primary Period Protection
Rated 5 out of 5
Review posted