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With a wide elastic waistband and classic top-stitching details, the BOXER looks and feels just like your favorite pair of boxer briefs -- but offers so much more.

Our new BOXER Brief features the most generously lined inner panel in our collection, with leak-proof absorbency that extends all the way to the back waistband. Plus: Our adjustable design means you can confidently rock your BOXER all day long -- just swap out the removable insert as needed to prevent leaks.

Note: If you are near the top of the range for a particular size, or are in-between sizes, please size UP for the best fit.


Availability: In stock

Regular Price: US$37.99

Special Price US$32.29


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Completely replace disposable menstrual products with the comfort and all-day leak-free protection of our new BOXER Brief. Featuring an absorbent 100% organic cotton inner lining, supported by a full-coverage leak-proof panel that extends all the way to the back waistband, Lunapads' BOXER Brief provides all the protection you need in the style that you want.

Wear for complete coverage during your period (no pad or tampon required!), to back up your usual menstrual product routine, or as everyday breathable cotton undies that also protect against unexpected leaks -- the BOXER has you covered no matter what. Rely on the built-in protection alone for lighter days, or customize the absorbency to suit your needs by adding the Insert of your choice and changing throughout the day.

  • A true boxer brief combining the longer leg of a boxer short with the secure fit of a brief
  • Available in sizes XS through 3XL
  • Choose from Regular Cotton (Heather Grey) or Organic Cotton (Black)
  • Both options feature a black inner panel so your undies stay looking fly & stain-free!

Note: If you are near the top of the range for a particular size, or are in-between sizes, please size UP for the best fit.


Additional Info

Additional Info

Features Adjustable Absorbency, Leakproof, Natural Fibres, Organic Fibres
Absorbency Light, Moderate, Heavy
Body Petite, Average, Plus Size
Construction and Performance

Body: 95% Cotton / Organic Cotton and 5% Spandex
Lining: PUL (Polyurethane Laminate) and Organic Cotton fleece
Insert: 100% Organic Cotton fleece.

Worn without an Insert, the BOXER will last approximately as long (per use) as a disposable pad. Inserts can be added for additional absorbency as needed, allowing you to use the same undies for a full day. Changing your Insert as needed is the key to staying comfortable and dry.

How to Use

Inserts can be added as needed by inserting the ends under the bands at each end of the lining. Multiple Inserts may be inserted for increased absorbency, and can be changed throughout the day or night as desired by simply removing and replacing.

Sizes XS - LG include 1 Maxi Insert. XL- 3XL includes 1 Long Insert. Add Maxi Inserts, Long Inserts, or winged Overnight Inserts to increase absorbency. Mini Inserts are not compatible.

Wash and Care

The Lunapads BOXER Brief is fully machine wash & dry safe in any temperature. A quick pre-rinse or soak in cold water prior to washing is recommended, but not necessary, particularly if they are not heavily saturated. Do not soak for longer than 24 hours.

We recommend natural cleaning products such as Nellie’s All Natural Laundry Soda for regular cleaning, and Buncha Farmers Stain Remover to remove any stains. Please avoid the use of chlorine bleach or fabric softeners as this will decrease the performance of the products and is harmful to the environment.


Customer Reviews (12)

Comfy and plenty of protectionReview by Becky
These boxer briefs are so comfortable. They are my go to sleepwear around my period. They do run a little small so I'm glad I sized up for comfort. They provide plenty of protection and combined with the liners you can really extend how long you wear them. I enjoyed these for my period but even more following my tubal ligation. These were much more comfortable than the disposable ones from the hospital. (Posted on 11/13/2017)
Nice option for masculine-leaning non-binary folksReview by JC
So nice to have an option for people with periods that don't identify as female or femme. These are the nicest looking "period underwear" on the market that aren't feminine styled. From the outside, they pretty much pass as "regular" boxer briefs.

Trans/NB folks interested in buying, just so you know, these are sized in women's sizes and the size charts are pretty spot on. (Posted on 9/19/2017)
Ridiculously comfortable.Review by Jae
Ahhhh I'm so in love with these! I've been slowly accumulating my stash and cannot wait til I have a boxer brief for every day of my period. They work, they look good, and they're ridiculously comfortable too. If you're considering ordering, DO IT NOW. (Posted on 8/29/2017)
Love these boxers and Lunapads customer service! Review by Jean
So I ordered these last month after feeling completely fed up with nighttime (and really anytime) leaks. My period has gotten much heavier since having kids and I was feeling like a 12 year old again trying to figure out which products to use and how to avoid just bleeding on allthethings.

I got these boxers specifically for overnight use. They are very soft and comfy, and long enough to even just lounge around the house in in the evening. I like the feeling of extra coverage at nighttime (I used to double up on panties along with like 3 pads), so these give me that "security." They seem well made and will probably hold up for a good while.

I ordered them with the overnight inserts since that's my intended use. After I placed the order, Christa from Lunapads customer service contacted me to clarify. She noted that the overnight inserts wouldn't make a great fit with the boxers because of the bulkiness of the pad. When i indicated that I still wanted the overnights, she said she'd include an extra long insert in my order so I could try that as well.

I am so impressed by the tailored customer service and attention, not to mention the inclusion of a freebie. It's very appreciated and impressive.

I haven't freely bled into these on a heavy day--I'm wearing them with a DivaCup (another awesome product), but I am sure they'll hold up perfectly for lighter days. By the way, the overnight inserts are indeed a bit bulky, but they fit fine for me if I tuck them under a bit. :)

Super, super happy girl over here! (Posted on 8/10/2017)
Look Ma No Stains!Review by Closet Bed Bleeder
I bought these since I constantly bleed the bed. I love slapping in 2-3 of the really heavy liners and snoozing in these things. They provide full coverage. Wearing the wing inserts in these can be a little weird. If you do wear a lot of inserts at the same time the panties and boxers can get a bit bulky. Just FYI. (Posted on 7/16/2017)
Better but not great.Review by tilnih
As someone who has no other great options for menstrual products, I will use these as I feel they are better/healthier than disposable pads. They catch the flow and are more breathable (although still not completely due to the waterproof liner that makes me sweat). But the organic cotton of both the removable and sewn-in liner sheds little particles that stick all over my bits (and yes I've washed them). I will probably try some other brands to see if they all do this, but I hate having to pick off all the little particles every time I go to the bathroom. Also the removable liner tends to bunch up between my legs in the middle and it's hard to get it to stay flat. I'm hoping with more practice, I'll work out a solution for that. (Posted on 7/15/2017)
Amazing!!Review by Cayenne
These are the best thing ever, I'm so in love with these boxers! They are super comfortable, light, and so soft. I measured at the lower end of small but still ordered up and got a medium and after washing they fit perfect. All the products do shrink a little so keep that in mind. I wish I had these years ago! (Posted on 6/27/2017)
Like it...Review by Charie
These are excellently made. Good and comfortable fabric, and in terms of craftsmanship it compares to good quality underwear (I won't mention brand, but the kind that last for years). However, I am not thrilled with the absorbency. These are great to use with tampons or cups, or regular pads. They are great for extra protection, but I wouldn't recommend them on their own.

Also, beware, they run small. I am a size 2 petite or a 0 regular and the xs fits on the tight side. (Posted on 5/7/2017)
Best. Underwear. Ever!!!!!!Review by RB
Luna panties tend to run small so I always size up. But these boxer briefs are a bit smaller than usual so I had to go an extra size. If you like clingy/snug fit, then one size up is good for you. But if you like it comfy and looser, then an extra size up will be best. Now that I have the size I need, these are the best underwear ever!!! My favorite most comfortable underwear for a few years running was Victoria's Secret before I discovered Lunapads' underwear. I thought they couldn't get any more comfortable, boy I was wrong! These are so comfortable, I don't want to take them off. But unfortunately, panties need to be washed. The only issue I have with them is that they sometimes pinch me in the most uncomfortable of places and I have to make sure my shorts are long enough. Other than that, I totally recommend these! (Posted on 3/1/2017)
2 LEGIT 2 QUITReview by JB
These are some of the most comfortable underwear I've even worn. I sized up as suggested and am glad I did because the fit is spot-on. The quality is great and the inside panel provides lots of coverage and protection. The best part - they really work. When I'm wearing them, I feel sexy, confident and secure. Total game changer. (Posted on 2/6/2017)
My favourite pair yet!Review by Amy
I've always been a big fan of Lunapads underwear but these boxer briefs are my new favourite! Super comfortable and at the same time I feel sexy AND I feel like they are less likely to leak because of their shape and design. Highly recommend them. (Posted on 1/28/2017)
Can I give this 6 stars!?Review by Kaitlyn
I received my boxers in the black organic cotton just in time for this cycle. They are 100% my new favourite period underwear! AMAZINGLY comfortable! They have full front to back absorbency panel without being too bulky. I tried them under yoga pants and it wasn't visible at all. I recently have been mostly a divacup user but these had such good coverage I was completely comfortable wearing just the boxers with the insert when I went out. Day one I am always very bloated and crampy but did not find the elastic cut into my stomach, which I was very pleased about! I found them to be true to size. I measured my waist and it was on the lower end of the size chart for the XL, but fit perfectly so I would definitely suggest ordering a size up if you measure on the higher number of the chart, and like them to fit looser in the waist.

If you're hesitating, don't!! They are so worth it! I'll be adding another pair (or 2) to my next order! Thank you Lunapads for this fantastic product!! (Posted on 1/10/2017)

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Lunapads How-to Guide

Reusable menstrual products are eco-friendly, money-saving, healthy alternatives to disposable pads and tampons. Lunapads will last well over 5 years with recommended use and care! While individual use may vary, we estimate that a single Lunapad replaces 120 disposable pads or tampons.

A Conversation about The DivaCup

There are lots of reasons to switch from tampons to The DivaCup; convenience, comfort, your health, the environment, financial savings & more. This first episode in our new video series shares the personal accounts of a group of DivaCup users, and explores what motivated each woman to try this innovative menstrual solution.

Why Switch to Lunapads?

Roughly 20 billion pads, tampons and applicators are sent to North American landfills annually. Each menstruating person in North America will throw away an estimated 16,800 disposable pads or tampons in their lifetime; products that require hundreds of years to biodegrade. Imagine the difference we could make if we chose to ditch the disposables.

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