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Super Leakproof® Dream Boxer

$48.00 CAD

2 for $80, Save $16
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Absorbs about 7-9 super tampons

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Built in leakproof underwear

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Optimal overnight protection

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Machine washable

| Pink Stripe
| Pink Stripe
| Pink Stripe
| General
| Pink Stripe
| Pink Stripe

Color: Pink Stripe 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 48 Points

Product Description

The comfort of a boxer with the power of a pad. The Super Leakproof Dream Boxer offers a relaxed, non-restrictive fit that makes it the perfect choice for lounging and sleeping. Whether you’re managing a heavy period, postpartum recovery, or light bladder leaks, the high-rise waistband and soft-touch fabric provide a supportive feel without digging in. Designed to replace bulky pads and liners, these absorbent boxer briefs offer a sustainable, eco-friendly solution for your monthly cycle. Available in inclusive sizes XS to 4XL.

Comfort-First Fit

Combining a loose-fitting boxer with an internal brief for discreet Leakproof protection. Designed to be worn as both loungewear and overnight protection.

Worry-Free Protection

Designed with a built-in leakproof liner that fits snug to the body, it helps lock in leaks from every angle, even as you toss and turn.

Heavy Absorbency

Absorbs 7-9 super tampons worth of liquid—great for heavy flow days, overnight protection, and light bladder leaks.

Easy to Wash

Machine washable just like regular underwear.

Zoom

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| General
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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
Super Leakproof®Dream Boxer

This best-selling boxer is a game changer.

FRESH FIX TECHNOLOGY®

Built-in protection that feels like nothing at all.

So you feel fresh and in-control.

Our patented 360 LeakSeal™ technology helps lock in leaks from every angle, even if you toss and turn. The internal brief absorbs about 7-9 super tampons worth of liquid, and it’s our heaviest absorbency yet.

Soft Top Layer

Soft Top Layer

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

4.6
Rated 4.6 out of 5 stars
Based on 270 reviews
Total 5 star reviews: 213 Total 4 star reviews: 25 Total 3 star reviews: 16 Total 2 star reviews: 6 Total 1 star reviews: 10
88%would recommend this product
ComfortRated 4.5 on a scale of 1 to 5
EffectivenessRated 4.5 on a scale of 1 to 5
FitRated 0.1 on a scale of minus 2 to 2
Ease of UseRated 4.7 on a scale of 1 to 5
270 reviews
  • Rated 5 out of 5 stars
    22 seconds ago
    Bought for my tween

    I honestly thought we’d be returning this, but she loves it so much she was willing to pay for half of it herself. I personally thought it would be better value to just buy more regular leakproof underwear and separate boxers, but she’s very happy with it.

    Salina S.
    Verified Buyer
  • Rated 5 out of 5 stars
    2 days ago
    Cool and comfortable for sleeping

    Very cool & comforting for sleeping

    Sandra P.
    Verified Buyer
  • Rated 5 out of 5 stars
    4 days ago
    Love these!

    Most comfortable and most absorbing for sleep.

    Melissa W.
    Verified Buyer
  • Rated 5 out of 5 stars
    4 days ago
    Dream boxer

    I love everything I order from knix

    Marlène F.
    Verified Buyer
  • Rated 5 out of 5 stars
    5 days ago
    review

    LOVE

    Michelle M.
    Verified Buyer
  • Rated 5 out of 5 stars
    6 days ago
    5 Stars

    Products were as they were advertised, came on time.

    Abigail
  • Rated 5 out of 5 stars
    1 week ago
    😍

    It is very life changing! I'll definitely recommend this

    Adelaide F.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 week ago
    Dream Boxers

    Love them! Very comfy!

    Catherine L.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 week ago
    Perfect even when not on my period!

    These are the perfect sleeping shorts. Comfortable and soft. I love wearing them all the time!

    Megan L.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 week ago
    Super comfy

    I ordered a few different period underwear brands and this one is the best by far.

    hailey e.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 week ago
    Love them

    Super cute and comfy and protective

    Diana P.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 week ago
    Amazing

    Great product

    leymi c.
    Verified Buyer