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Underwear By Absorbency
Light
Drop
Drop
Drop
Drop
Drop

Absorbs 1-3 regular tampons
Moderate
Drop
Drop
Drop
Drop
Drop

Absorbs 2-4 super tampons
Heavy
Drop
Drop
Drop
Drop
Drop

Absorbs 4-7 super tampons
Leakproof Explained
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5 Reasons to Wear Leakproof
Sleepover Boxer

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| Black
Travel Bag
$20.00 CAD

Holds up to 7 pairs of undies

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Size:

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Home / Teen Period Swimwear / Period Swim Sport One-Piece
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Period Swim Sport One-Piece

$99.00 CAD

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Absorbs about 2 super tampons

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Medium coverage

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Sporty scoop neckline

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Premium UPF 50+ fabric

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Machine washable

| Pink Hibiscus
| Pink Hibiscus
| Pink Hibiscus
| Pink Hibiscus
| General

Absorbency: Moderate
Drop
Drop
Drop
Drop
Drop

Color: Pink Hibiscus Limited Edition

Size:

True to Size

•

Size:

Size and Fit Guide

FREE Shipping on orders $100+

Shipping

Shipping

Processing Timelines

Please allow 1-2 business days for our warehouse team to pack and ship your order. During peak periods such as sales, holidays and product launches, please allow up to 4 business days for us to process your order. Once an order is placed, we cannot guarantee any address updates, order changes or cancellations. Orders placed on Friday after 1PM will not be shipped until the following Monday.

Most orders will ship from a single warehouse. However, we occasionally ship from a combination of warehouse locations, so you may receive your order in multiple parts. If items from your order ship in separate packages, we’ll send you tracking information for each package when it becomes available.

Delivery Timelines

For the most up to date delivery time estimates, please refer to the shipping timeline at checkout. All transit times are measured in business days which are Monday-Friday, excluding holidays.

Please note, all shipping timelines are estimates and are not guaranteed.

Canadian Orders

Orders within Canada will be shipped with Canada Post or Purolator based on your address and carrier availability.

Standard Canadian shipping is free on eligible orders over $100 CAD*. Orders under $100 CAD are $12 CAD for standard shipping. Orders delivering to NWT, Nunavut, and Yukon under $100 CAD* are $20 CAD for standard Canada shipping.

*After discounts, before shipping and taxes
Return Policy

Return Policy

Return Policy

Return policy varies by product, please check if your item is refund or exchange eligible by viewing our full policy here.
“My daughter is 12 and just started her period. She is a competitive swimmer. This bathing suit has been the solution for all of her needs. She is confident going to practice in this suit. It's good quality and easy to care for." ”

- Jane V S.

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Swim Style

A sporty one-piece style featuring removable cups and an open racerback for added mobility.

Worry-Free Protection

Discreet, built-in protection that absorbs about 2 super tampons worth.

Sun-Smart Protection

UPF 50+ fabric protects your skin while you soak up the sun.

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| Pink Hibiscus
| Pink Hibiscus
| Pink Hibiscus
| Pink Hibiscus
| General

How to Choose?

Heavy

Drop
Drop
Drop
Drop
Drop
  • • Perfect for overnight protection or your teens heaviest days when changing into a fresh pair might not be convenient.
  • tsp
    about 8-14 tsp
  • pad
    about 1.5-3 regular pads
  • tampon
    about 4-7 super tampons
  • cup
    about 1.5-3 menstrual cups

Light

Drop
Drop
Drop
Drop
Drop
  • • Ideal for lightest period days, spotting, sweat and discharge.
  • tsp
    about 1-3 tsp
  • pad
    about 1-3 pantyliners
  • tampon
    about 1-3 regular tampons
  • cup
    about 0.5 menstrual cups

Moderate

Drop
Drop
Drop
Drop
Drop
  • • Ideal for medium period days, discharge and sweat.
  • tsp
    about 4-8 tsp
  • pad
    about 1-1.5 regular pads
  • tampon
    about 2-4 super tampons
  • cup
    about 0.5-3 menstrual cups

Ultra

Drop
Drop
Drop
Drop
Drop
  • • Ultimate peace of mind. For the heaviest period days or overnight protection.
  • tsp
    about 15-20 tsp
  • pad
    about 1.5-2.5 super pads
  • tampon
    about 7-11 super tampons
  • cup
    about 2-3 menstrual cups
LEAKPROOF SWIM WORKS IN LAYERS

Built-in protection that feels like nothing at all.

Looks just like regular swimwear. Non-swelling liner and patented no-show design.

Soft Top Layer

Top Layer

Smooth and comfortable liner in swimsuit fabric.

Make It A Set

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Your questions, answered.
4.5
Rated 4.5 out of 5 stars
Based on 336 reviews
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336 reviews
  • Rated 4 out of 5 stars
    3 weeks ago
    Great product

    Great product

    Jatin
    Was this helpful?
  • Rated 5 out of 5 stars
    4 months ago
    Great Purchase!

    Having this bathing suit is a wonderful boost for a kid new to having periods. I love what Knix offers and the way they do business!

    Julie B.
    Verified Buyer
    Was this helpful?
  • Rated 5 out of 5 stars
    4 months ago
    Sporty style and Comfortable

    Functions as described with comfortable fit

    Chanta B.
    Verified Buyer
    Was this helpful?
  • Rated 5 out of 5 stars
    5 months ago
    Superbe maillot

    Le maillot est parfait, il est très utile lorsque ma fille a de la natation pendant ses règles. Jusqu’à présent elle est très satisfaite! De plus il lui va très bien et on ne voit pas de différence avec un maillot d’entraînement habituel.

    Mélanie B.
    Verified Buyer
    Was this helpful?
  • Rated 5 out of 5 stars
    5 months ago
    Amazing

    My teen daughter loves this suit--as a competitive swimmer this has been a game changer!

    Randall H.
    Verified Buyer
    Was this helpful?
  • Rated 5 out of 5 stars
    6 months ago
    Fits well.

    The material is nice and durable. It as a good fit.

    Rebecca G.
    Verified Buyer
    Was this helpful?