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Quantity
1
4.6
171 ratings
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Life Changing
This product has absolutely changed the game when it comes to period products. I recently learned and educated myself about the presence of heavy metals in tampons and had to make a change. Knix period underwear came recommended to me by a couple of friends and decided to give them a try. I am SO happy I made the switch. Comfortable, extremely absorbent (I have a heavy flow and the ultra absorbent undies handle it so well), and I love that the high-waisted style hugs the tummy too. Overall incredibly happy with the purchase and I ordered 5 more pairs!
Mariah · May 19, 2026
Best style for heavy nights
I have purchased a few different styles from Knix and these are by far the best for overnight protection. The full front and back ensures no leaks and they absorb a heavy flow. Surprisingly they don’t feel that thick when they are on, much more comfortable than a pad. For sizing I got XL (same size as my regular underwear) and I normally wear a size 12/14 bottom as a curvy girl. They fit well, not too tight, they do stretch a tiny bit
Ally · April 30, 2026
Uncomfortable and fit is odd
I was looking forward to wearing these unfortunately, the cut in the back on my bottom cuts in a way that is cheeky. It should be cut so that it completely covers my bottom. The way it’s cut it makes it very uncomfortable. On top of that the underwear does not sit flat. It gets open in my bottom area. in addition, I think you need to do more stitching instead of the heat resistant glueing of the inside portion to the underwear. There should be overall stitching, so there is no movement between the inside portion and the underwear portion. I bought quite a few of these and now I’m quite disappointed. also, there are not enough colour choices.
Nancy · May 12, 2026

