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378 total reviews

Aisle

BOOST Brief

BOOST Brief

Regular price $50.00
Regular price Sale price $50.00
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Size
Color: Espresso
This full-coverage cut features a high waist and soft, narrow elastic. Made with our luxurious Tencel & organic cotton blend for the ultimate period comfort

Details

Includes a bonus absorbency booster for heavy days. Tuck ends into pockets & bleed on!

Absorbency

Holds 8+ tampons worth with our booster. Let the crimson wave flow.

Materials

Body: 48% TENCEL™ lyocell, 48% organic cotton, 4% spandex
Gusset: 90% Truetex™ (88% recycled polyester, 12% organic cotton), 10% TPU
Lining: 86% recycled polyester, 14% organic cotton
Booster: ​65% recycled polyester, 24% polyester, 11% hemp
All materials are OEKTO-TEX certified and lab tested for PFAS. No detectable levels of PFAS to 1 part per million.

  • Made with TENCEL & organic cotton
  • Machine wash & dry safe
  • Replaces 100+ disposable products
View full details

Boost the Absorbency

Each pair of Aisle Boost underwear comes with a removable absorbency booster that adds an extra 4 tampons of absorbency. It's an innovation that sets these period underwear apart from the rest.

For heavy flow-ers there's no need to change your undies part way through the day, just tuck a Booster in and swap it out as needed.

Made with TENCEL™

The fiber that powers our period underwear. One of the most sustainable materials in the world - TENCEL™ Lyocell - is biodegradeable, highly breathable, less susceptible to odour-causing bacterial growth, and absorbs 50% more than cotton.

Our Tech

Featuring Truetex™ Fabric Technology

We developed our own custom blend of materials to create a gusset that's moisture wicking, super absorbent & leakproof without the use of harmful chemical finishes. Our undies keep absorbing, wash after wash after wash.

Learn More

FAQ

How do your period undies work?

Our specially engineered lining combines super-absorbent Truetex™ technology with a leak-proof lining that absorb 4 tampons worth of fluid. Use the removable booster for an additional 4 tampons of absorbency.

Do Aisle period underwear contain PFAS?

<b>No detectable levels of PFAS</b> have been found in our underwear, based on a detectable limit of one part per million.

Do I need to wear a pad or tampon with them?

Nope! Our undies were built to completely replace pads and tampons. They make great backup protection with tampons or menstrual cups, too.

What does the booster do?

Our undies absorb 4 tampons worth of fluid on their own, but if you need a little extra you can add the optional booster for an extra 4 tampons worth. Just tuck the ends into the slits at either end of the gusset.

How do I wash my Aisle undies?

Our undies were made to fit into your regular laundry routine. Just rinse the gusset in cool water before washing in the machine with your regular laundry. Hang to dry where possible - it saves energy and prolongs the life of your undies!

Real reviews from real people

average rating 4.6 out of 5
Based on 378 reviews
  • 5 Stars
    277 Reviews
  • 4 Stars
    54 Reviews
  • 3 Stars
    37 Reviews
  • 2 Stars
    7 Reviews
  • 1 Star
    3 Reviews
92% of reviewers would recommend this product to a friend
Absorbency
Rated 4 out of 5
Comfort
Rated 4 out of 5
Fit
Rated 0 on a scale of minus 2 to 2, where minus 2 is Runs Small, 0 is True to Size and 2 is Runs Large
Customer photos and videos
378 Reviews
Reviewed by Ruth W.
Verified Buyer
BOOST Brief
Reviewing
BOOST Brief
I recommend this product
Flow
Light
Height
5'10
Size
M
Rated 5 out of 5
Review posted

Comfy and works

I love the fit and feel, and it works great on its own or with extra layer.

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Absorbency
Rated 4 out of 5
Comfort
Rated 5 out of 5
Fit
Rated 0 on a scale of minus 2 to 2, where minus 2 is Runs Small, 0 is True to Size and 2 is Runs Large
Was this helpful?
Reviewed by Emily L.
Verified Buyer
BOOST Brief
Reviewing
BOOST Brief
I recommend this product
Flow
Very Heavy
Height
5'1
Hip
55" - 58"
Size
3X
Rated 5 out of 5
Review posted

Comfy and absorbent

These briefs are incredible! Excellent, super-high absorbent coverage which have really helped contain leaks from gushes. I have endometriosis and my gushes can overwhelm an overnight pad in an hour. These briefs, with a booster, have almost completely contained leaks for a full 8 hour work shift. They don't bunch too much, and the booster stays well in place during use (just be careful when taking the briefs off, as sometimes the booster tugs loose as you pull them down). Super comfy, the leg holes aren't too big and the briefs keep their shape so there's less room to leak out the sides.

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Absorbency
Rated 5 out of 5
Comfort
Rated 5 out of 5
Fit
Rated 0 on a scale of minus 2 to 2, where minus 2 is Runs Small, 0 is True to Size and 2 is Runs Large
Was this helpful?
Reviewed by Amanda C.
Verified Buyer
BOOST Brief
Reviewing
BOOST Brief
I recommend this product
Flow
Moderate
Height
5'4
Hip
37" - 38"
Size
M
Rated 5 out of 5
Review posted

Great

Love the high waste style and versatility of either including the booster or not (still very absorbant without the booster)

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Absorbency
Rated 5 out of 5
Comfort
Rated 5 out of 5
Fit
Rated 0 on a scale of minus 2 to 2, where minus 2 is Runs Small, 0 is True to Size and 2 is Runs Large
Was this helpful?
Reviewed by Emily M.
Verified Buyer
BOOST Brief
Reviewing
BOOST Brief
I recommend this product
Flow
Moderate
Rated 5 out of 5
Review posted

Life changing!

I’ve been a long time cup user, but after I had my daughter a year and a half ago nothing felt right anymore. I spent so much money on cups and discs to try and get the perfect fit and almost every period was having a mental breakdown because my period had been so easy before and it felt so foreign and messy now. I took a chance and bought enough pairs of period underwear for an entire cycle after seeing an Instagram ad and they have been truly life changing. My period feels so easy again and I’m so relieved. I no longer stress about my period. The fit is great, super comfy. They don’t feel as bulky as I had anticipated. The booster pad does slide around a bit and I need to reposition it every time I go to the bathroom, but I like changing it out mid day just in case, so that’s not a huge deal.

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Absorbency
Rated 4 out of 5
Comfort
Rated 5 out of 5
Fit
Rated 1 on a scale of minus 2 to 2, where minus 2 is Runs Small, 0 is True to Size and 2 is Runs Large
Was this helpful?
Reviewed by Austin K.
Verified Buyer
BOOST Brief
Reviewing
BOOST Brief
I recommend this product
Flow
Moderate
Height
5'2
Size
M
Rated 5 out of 5
Review posted

I look forward to wearing these every month

I have been using Aisle products for about 4 years now and I love them! I prefer full coverage underwear, whether I’m on my period or not. So I find the briefs very comfortable. Changing the boosters is easy and convenient during any phase of my period.

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Absorbency
Rated 4 out of 5
Comfort
Rated 5 out of 5
Fit
Rated 0 on a scale of minus 2 to 2, where minus 2 is Runs Small, 0 is True to Size and 2 is Runs Large
Was this helpful?