Join Our Rewards Program
Earn rewards and exclusive member-only benefits for free.
Super Leakproof® Dream Boxer™
Restocked
Super Leakproof® Dream Boxer™
$48.00
USD
Buy 3+ Save 15%, Buy 5+ Save 20%
Absorbs about 7-8 super tampons
Built in leakproof underwear
Optimal overnight protection
Machine washable
Size and Fit Guide
How to Measure
In order to select the correct sizing, we recommend you take the following measurements using a soft tape measure. If necessary, ask someone else to help.
Waist
Measure around the narrowest part of your torso, usually just above your belly button. Keep the tape snug and level, but not tight. The number where it meets is your waist measurement.
Hip
Stand with your feet together and measure around the fullest part of your hips and buttocks. Keep the tape level and snug, but not tight. The number where it meets is your hip measurement.
Build Your 3-Pack
Super Leakproof® Dream Boxer™
Super Leakproof® Dream Boxer™
Super Leakproof® Dream Boxer™
Rewards Members Earn
48 Points
You May Also Like
Product Description
Comfort-First Fit
Worry-Free Protection
Heavy Absorbency
Easy to Wash
Machine washable, just like your regular underwear.
Zoom
How to Choose?
Essential
- • Days you don’t need leak protection. Everyday freshness and moisture wicking.
-
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.
-
about 8-14 tsp
-
about 1.5-3 regular pads
-
about 4-7 super tampons
-
about 1.5-3 menstrual cups
Light
- • Daily freshness. For sweat, discharge, period spotting, or backup protection.
-
about 1-3 tsp
-
about 1-3 pantyliners
-
about 1-3 regular tampons
-
about 0.5 menstrual cups
Moderate
- • For mid-cycle flow, surprise cough or sneeze leaks, or a really sweaty spin class.
-
about 4-8 tsp
-
about 1-1.5 regular pads
-
about 2-4 super tampons
-
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.
-
about 15-20 tsp
-
about 1.5-2.5 super pads
-
about 7-11 super tampons
-
about 2-3 menstrual cups
How it Compares
Super Leakproof® Dream Boxer™
Absorbs up to 8 super tampons
Classic length
Side slit hem
Super Leakproof® Mini Dream Boxer
Absorbs up to 8 super tampons
Mini length
Lace detailing
NEW SuperPlus Leakproof® Dream Short
Absorbs up to 11 super tampons
Front-to-back liner
No-show, seamless fit
Super Leakproof® Dream Short™
Absorbs up to 5.5 super tampons
Body-hugging fit
No-show, seamless fit
Super Leakproof® Cotton Boxer Brief
Absorbs up to 6 super tampons
Body-hugging fit
Breathable cotton
FRESH FIX TECHNOLOGY®
Soft Top Layer
Middle Layer
Leakproof Layer
Recently Viewed
Our Best-Selling Underwear
Shop All
Selling Fast
Super Leakproof® Mini Dream Boxer
$48.00
USD
Buy More, Save More
Color: Pink Party Limited Edition
+2
Restocked
Super Leakproof® Dream Boxer™
$48.00
USD
Buy More, Save More
Color: Blue Stripe Polka Dot Limited Edition
+2
Best Seller
Super Leakproof® Dream Short™
$42.00
USD
Buy More, Save More
Color: Blackberry Limited Edition
+3
Leakproof UltraThin No-Show High Rise
$32.00
USD
Buy More, Save More
Color: Rose Water
+3
Total 5 star reviews: 363
Total 4 star reviews: 36
Total 3 star reviews: 23
Total 2 star reviews: 13
Total 1 star reviews: 16
What our customers are saying
Generated by AI from 100 most recent customer reviews
Last updated 2 months ago
Customers say these boxer shorts are extremely comfortable and provide excellent overnight protection during periods. Many find them soft, breathable, and perfect for sleeping without worrying about leaks. Users appreciate the built-in absorbent underwear that doesn't ride up or squeeze. Common feedback includes praise for their comfort level and peace of mind during heavy flow nights. Several mention they run large, with some needing to size down for proper fit. While most love the coverage and protection, a few note concerns about gusset size or fit issues with the inner underwear portion.
88%would recommend this product
Search
Keywords
Rating
Height
How do you use your Leakproof?
Usual Pant Size
451 reviews
- Rated 5 out of 5 stars4 minutes ago5 Stars
Awesome material, comfy and cute
LLizReviewingSuper Leakproof® Dream Boxer™ - Rated 5 out of 5 stars1 hour agoSo comfy
I had to go down a size from my regular my regular size but I love how comfortable they are and they protect well with no leaks. I can sleep well knowing I’m protected.
AVAudrey V.Verified BuyerReviewingSuper Leakproof® Dream Boxer™ - Rated 5 out of 5 stars17 hours agoLove!
Love these! Please, please, please make a SuperPlus version!
SESarah E.Verified ReviewerReviewingSuper Leakproof® Dream Boxer™ - Rated 5 out of 5 starsYesterdayLove it
Love it
CDChristine D.Verified BuyerReviewingSuper Leakproof® Dream Boxer™ - Rated 5 out of 5 stars2 days agoComfy and so cute with great protection
Loved having these boxers to wear to bed during my cycle. They do definitely run a little big, which honestly, is great, because who wants tight panties when you feel your most unsexy? My cycle tends to be super light, fortunately, so I haven’t had any issues with leakage. They have “panties” build in so they fit more snuggly (kind of like those Nike shorts we were all obsessed with in the 2010s). I am 5’9” and around 140-150 lbs. Waist 27” and hips 37-38”. I got a medium and I have room in the band, but the panty inside fits comfortably. I would consider sizing down next time, but the medium is perfectly fine. I would love if there was a coordinating top with them to make it a cute set!
AKAlex K.Verified BuyerReviewingSuper Leakproof® Dream Boxer™ - Rated 5 out of 5 stars3 days agoSleep boxers
Comfortable. Great size. Breathable
CWCarla W.Verified BuyerReviewingSuper Leakproof® Dream Boxer™ - Rated 5 out of 5 stars4 days ago5 Stars
cute and practical
EerinReviewingSuper Leakproof® Dream Boxer™ - Rated 5 out of 5 stars4 days agoGreat
So well made and comfortable! So glad I ordered them!
KKnix4 days agoHey Melissa!
Thanks so much for taking the time to review our Super Leakproof Dream Boxer! We're so happy to hear you're loving the quality and comfort!
Team Knix
MMMelissa M.Verified BuyerReviewingSuper Leakproof® Dream Boxer™ - Rated 5 out of 5 stars4 days agoBeen missing these my whole life.
I love these shorts. They are so comfortable that you can't even tell they have a larger purpose that just being pajamas. I hated wearing a liner or tampon to sleep in especially, but now I don't use them at all. Not to be dramatic, but I cannot imagine period sleep without these now. I have three pairs now and will continue to get more. I am a size 4-6 depending and the medium fits well, I could probably get a small but these are likely more comfortable. And they just look like regular pajama shorts that are cute and so comfy. Knix, I love you and please never leave me.
KKnix4 days agoHey Kathleen!
This is amazing! We're so happy our Dream Boxers have transformed your sleep and comfort. There's nothing better than hearing our customers feel this confident in their Knix!
Team Knix
KKathleenVerified BuyerReviewingSuper Leakproof® Dream Boxer™ - Rated 5 out of 5 stars5 days agoLove the dream shorts
My daughter absolutely loves these and wears then even when not on her period.
KKnix5 days agoHey Leah!
That's so wonderful to hear! We love that your daughter finds them so comfortable she wants to wear them every day. That's exactly what we were hoping for with the Dream Boxers!
Team Knix
LDLeah D.Verified BuyerReviewingSuper Leakproof® Dream Boxer™ - Rated 5 out of 5 stars1 week agoAbsolutely love
Soft, comfortable, absorbent. No more waking up to myself or my partner in a puddle. Like wearing your man’s boxers, but much better.
KKnix1 week agoHey Megan!
This made us smile so much! We're beyond happy to hear our Dream Boxers are keeping you comfortable and confident. Here's to better sleep! 💖
Team Knix
MJMegan J.Verified BuyerReviewingSuper Leakproof® Dream Boxer™ - Rated 5 out of 5 stars1 week ago5 Stars
To expensive
CCynthiaReviewingSuper Leakproof® Dream Boxer™
