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KnixTeen

Teen Super Leakproof® No-Show Boyshort 3-Pack

A 3-pack of teen no-show boyshorts with heavy leakproof.
$75.00 CAD

$87.00

Save $12
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Color: Black

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 75 Points

Product Description

Shop the Knix Teen Super Leakproof® No-Show Boyshort: The invisible heavy-flow solution that holds up to 6 tampons. Features seamless edges for zero visible lines and a full-coverage boyshort fit for maximum security. Perfect for school, sports, and heavy days. Available in inclusive teen sizes and moisture-wicking fabric.

Comfort-First Fit

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

Worry-Free Protection

Patented bonded edges help prevent side leaks.

Heavy Absorbency

Absorbs about 4-7 super tampons worth of liquid—perfect for heavy flow days, overnight protection, and light bladder leaks.

No-Show Style

Buttery-soft and smooth fabric gives a seamless look and feel. Disappears under clothes, even leggings.

Easy to Wash

Machine washable just like regular underwear.

Zoom

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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
FRESH FIX TECHNOLOGY®

Built-in protection that feels like nothing at all.

It absorbs about 4-7 super tampons worth of liquid.

Soft Top Layer

Gently wicks away moisture, keeping you feeling fresh and odour-free.

4.6
Rated 4.6 out of 5 stars
Based on 4,392 reviews
Total 5 star reviews: 3.5k Total 4 star reviews: 524 Total 3 star reviews: 159 Total 2 star reviews: 110 Total 1 star reviews: 120
93%would recommend these products
ComfortRated 4.7 on a scale of 1 to 5
FitRated 0.0 on a scale of minus 2 to 2
EffectivenessRated 4.6 on a scale of 1 to 5
4,392 reviews
  • Rated 5 out of 5 stars
    16 hours ago
    A boyshort panty I needed

    I tried it on & it is comfortable. I believe that this underwear will help me out. Thank you Knix & I appreciate you for sending me this underwear.

    Rainet L.
    Verified Buyer
  • Rated 5 out of 5 stars
    2 days ago
    Love

    I love these super Leakproof No-Show Boyshort underwear. They are great.

    Heather A. H.
    Verified Buyer
  • Rated 5 out of 5 stars
    5 days ago
    Boy short

    Really good protection for heavy days and also very comfortable for overnight protection

    Highly recommend these as a starter pack

    Niti L.
    Verified Buyer
  • Rated 5 out of 5 stars
    6 days ago
    No show boyshort

    Perfection! No leaks, great fit!

    Rachael R.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 week ago
    Love

    My fav. I keep buying more!!

    Jody A.
    Verified Buyer
  • Rated 5 out of 5 stars
    3 weeks ago
    The best leakproof underwear

    The feel of this fabric is unbelievable

    Connie D.
    Verified Buyer
  • Rated 5 out of 5 stars
    3 weeks ago
    Comfortable brief

    I love this boy short . It is very comfortable and definitely stop leaks. The material is soft and stretchy and the colir is nice. I have light blue, navy and beige. I ordered an XL

    And I wear a size 12 Petite Pant size

    Barbara W.
    Verified Buyer
  • Rated 5 out of 5 stars
    4 weeks ago
    Teen purchase

    My daughter loved these. They are great for a young girl when going to school or out and about to give peace of mind.

    Loniann F.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 month ago
    Super Leakproof® No-Show Boyshort review

    great undies - perfect fit and catshes all the leaks

    trish s.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 month ago
    Amazing

    Perfect for bed time, or medium to heavy days, no worries about messes, or leaks, and super comfortable.

    Ashley B.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 month ago
    Super Leakproof No-Show Boyshort

    I love these Super Leakproof Boyshort ! They do not to wear show out, they’ve always comfortable, they are Great!

    Barbara M.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 month ago
    5 Stars

    Fit beautifully. Comfortable to wear.

    KMC