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Bundle Deal

Light Leakproof No-Show Bikini 3-Pack

$60.00 CAD

$75.00

Save $15

3-pack underwear

Absorbs about 1 regular tampon

Invisible under clothes

Perfect for daily wear

Machine washable

| Twilight Navy/Blue Light/White
| Twilight Navy/Blue Light/White
| Twilight Navy/Blue Light/White
| Twilight Navy/Blue Light/White
| Twilight Navy/Blue Light/White
| Twilight Navy/Blue Light/White

Color: Twilight Navy/Blue Light/White Limited Edition

Size:

True to Size

Size:

Size and Fit Guide

Leakproof Underwear is Sales Tax Free in Canada*
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.

Delivery Time

For the most up-to-date delivery time estimates, please refer to the shipping timeline at checkout. Delivery timelines vary depending on location and do not include processing times.

Shipping Charges

Orders over $100* CAD = Free Shipping (2-6 business days)

Orders under $100* CAD = $12 CAD Shipping (1-3 business days)

Orders delivering to NWT, Nunavut and Yukon are subject to $20 delivery fee.

*After discounts, before shipping and taxes.

First Pair Risk Free for 30 Days

Leakproof Underwear, Risk Free

Returns & Exchanges

Leakproof Underwear, Risk Free
Trying leakproof underwear for the first time? Your first pair is completely risk free for 30 days. Wear them, wash them, and see how they work for your body. If they’re not right for you, we’ll refund your first pair. Prefer a different size or style? We also offer free exchanges.

How it works:

  • Risk free applies to leakproof underwear on your first order
  • Refund covers the item price (original shipping excluded)
  • Just email info@knix.com and we’ll take care of you

Return Policy
Return policy varies by product, please check if your item is refund or exchange eligible by viewing our full policy here.

Rewards Members Earn 60 Points

Product Description

So thin, you’ll forget you’re wearing anything. This style has medium bum and hip coverage. Our original leakproof technology offers a barely-there feel while absorbing about 1 regular tampon or pantyliner worth of liquid. Patented bonded edges help prevent against side leaks. These underwear feature our signature buttery soft fabric. No show construction is designed to be invisible under clothes, including workout leggings.

Comfort-First Fit

Boyshort silhouette with a mid-rise fit and extra hip and bum coverage.

Worry-Free Protection

Our original leakproof technology provides a barely noticeable feel. Patented bonded edges help prevent side leaks.

Light Absorbency

Absorbs 1 regular tampon worth of liquid—perfect for light flow days, sweat and discharge, and backup protection for heavy flow days.

No-Show Style

Made from our signature buttery soft fabric with a wide, comfortable waistband. Wear it on its own or under your favorite pajamas.

Easy to Wash

Machine washable just like regular underwear.

Zoom

| Twilight Navy/Blue Light/White
| Twilight Navy/Blue Light/White
| Twilight Navy/Blue Light/White
| Twilight Navy/Blue Light/White
| Twilight Navy/Blue Light/White
| Twilight Navy/Blue Light/White

How to Choose?

Essential

  • Days you don’t need leak protection. Everyday freshness and moisture wicking.
  • tsp
    0 tsp

Heavy

  • Extra peace of mind. For the first days of your cycle, light bladder leaks, or a full night's sleep without a leak.
  • 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

  • Daily freshness. For sweat, discharge, period spotting, or backup protection.
  • tsp
    about 1-3 tsp
  • pad
    about 1-3 pantyliners
  • tampon
    about 1-3 regular tampons
  • cup
    about 0.5 menstrual cups

Moderate

  • For mid-cycle flow, surprise cough or sneeze leaks, or a really sweaty spin class.
  • 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

  • Ultimate peace of mind. For the heaviest period days, light bladder leaks, unexpected postpartum flow, 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
PATENTED LEAKPROOF TECHNOLOGY

Built-in protection that feels like nothing at all

Our original Fresh Fix Technology® features a built-in absorbent liner absorbing about 1 regular tampon worth of liquid so you feel fresh and in-control.

Soft Top Layer

Gently wicks away moisture while keeping you feeling fresh and odor-free.

4.5
Rated 4.5 out of 5 stars
Based on 7,058 reviews
Total 5 star reviews: 5.3k Total 4 star reviews: 959 Total 3 star reviews: 394 Total 2 star reviews: 203 Total 1 star reviews: 225
91%would recommend these products
ComfortRated 4.6 on a scale of 1 to 5
EffectivenessRated 4.6 on a scale of 1 to 5
FitRated -0.1 on a scale of minus 2 to 2
Ease of UseRated 4.6 on a scale of 1 to 5
7,058 reviews
  • Rated 5 out of 5 stars
    45 minutes ago
    So thankful for this option

    Great fit, easy care, beautiful colours. I love them!!

    Sandy J.
    Verified Buyer
  • Rated 5 out of 5 stars
    Yesterday
    Great for everyday

    Comfortable and fairly no-show. Wish the thong version came in the colour “dune” as well.

    Oli
    Verified Buyer
  • Rated 5 out of 5 stars
    1 week ago
    saved me during surgery!

    In med school and on sugery rotation, desperately needed a solution that would work for me all day long without any breaks. These are the MVP (most valuable panty)

    emilyann
    Verified Buyer
  • Rated 5 out of 5 stars
    1 week ago
    Love

    Great fit and comfortable

    Stacia A.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 week ago
    Super comfy!

    Love these for every day use or period backup for those lighter days.

    Monica T.
    Verified Buyer
  • Rated 5 out of 5 stars
    2 weeks ago
    Amazing fit and protection

    I was very happy with these panties. No gapping or leaking...feels good under even tight jeans!

    Sabrina R.
    Verified Buyer
  • Rated 5 out of 5 stars
    2 weeks ago
    Great solution to light leaks

    Comfortable and does the trick.

    Annie M.
    Verified Buyer
  • Rated 5 out of 5 stars
    3 weeks ago
    For real no show

    These fit super well and do the job exactly as you’d hope - easy to wear under any pants or skirt without a panty line

    Alexandra M.
    Verified Buyer
  • Rated 5 out of 5 stars
    3 weeks ago
    Light Leakproof Bikini 3-pk.

    These are fantastic for the beginning and end days of your period! I love them.

    Stephany H.
    Verified Buyer
  • Rated 5 out of 5 stars
    3 weeks ago
    So cute and comfortable

    Perfect for light period days, and instead of wearing granny panties with an uncomfortable pad, I get to wear something cute!

    Lisa A.
    Verified Buyer
  • Rated 5 out of 5 stars
    4 weeks ago
    Great underwear

    Very comfortable

    Kimberly H.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 month ago
    Très confortable!

    Super confort

    Erika G.
    Verified Buyer

Your underwear questions, answered.