Knix Teen

Teen Light Leakproof No-Show Underwear Bikini

the comfiest underwear with the absorbent power of 1 regular tampon

TJ (she/her) has 36" hips and is wearing a size M

TJ (she/her) has 36" hips and is wearing a size M

Knix Teen

Teen Light Leakproof No-Show Underwear Bikini

the comfiest underwear with the absorbent power of 1 regular tampon

Absorbency: Lightest

These period undies protect teens against leaks, sweat, and discharge. A classic silhouette made from soft, stretchy, quick-drying fabric with a thin liner that absorbs the same as about 1 regular tampon. Wear them as everyday underwear, as full protection on light days, or backup on heavy days.

Key Features:

- Quick-Drying

- Moisture and Sweat Wicking

- Absorbs the same as about 1 regular pantyliner/tampon

- Super soft & stretchy

- Invisible under leggings or shorts (aka no visible seam lines)

- Patented leakproof technology

Knix Teen

Teen Light Leakproof No-Show Underwear Bikini

the comfiest underwear with the absorbent power of 1 regular tampon

TJ (she/her) has 36" hips and is wearing a size M

Knix Teen

Teen Light Leakproof No-Show Underwear Bikini

the comfiest underwear with the absorbent power of 1 regular tampon

Absorbency: Lightest

Key Features:

- Quick-Drying

- Moisture and Sweat Wicking

- Absorbs the same as about 1 regular pantyliner/tampon

- Super soft & stretchy

- Invisible under leggings or shorts (aka no visible seam lines)

- Patented leakproof technology

Super Absorbency
Absorbs 9–12 tsp (45–60 ml) of blood—that’s about 9–12 regular tampons or pads! Perfect for overnight protection or your teens heaviest days when changing into a fresh pair might not be convenient.

High Absorbency
Absorbs 4–8 tsp (20–40 ml) of blood, or the equivalent of 4–8 tampons or pads. These are perfect for heavy flow days.

Medium Absorbency
Absorbs up to 3 tsp (15 ml), or about 3 tampons or pads worth of blood. Ideal for light to medium flow days or as backup to tampons or period cups.

All of our period underwear, swimwear, reusable pads, and activewear have our patented leakproof technology built right in.

First Layer: Wicks away sweat and moisture while neutralizing odors to keep your teen fresh all day long.

Second Layer: A super thin, highly absorbent liner that holds the power of 3–20 tampons or pads.

Third Layer: A secure, liquid-resistant outer layer keeps leaks from happening.

The short answer: nope! Depending on the absorbency level of the period underwear and the heaviness of your teens flow, your teen can wear our period undies on their own or as a backup to tampons or menstrual cups. They can wear our High and Super absorbency underwear alone and be totally protected, while our Medium absorbency underwear can be worn alone on lighter days or as backup on heavier days.

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185 reviews

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S
Verified Buyer
4 minutes ago
Rated 5 out of 5 stars
Perfect
My daughter feels very comfortable and confident in these.
Ensuring she doesn’t have any first period leaks!
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Tania L.
Verified Buyer
5 days ago
Rated 5 out of 5 stars
I love these underwear. This is my 3rd order and always so satisfied with it.
I love these underwear. This is my 3rd order and always so satisfied with it.
Was this helpful?
Tania L.
Verified Buyer
5 days ago
Rated 5 out of 5 stars
I love it
I love these underwear. This is my 3rd order and always so satisfied with it.
Was this helpful?