Rated 4.5 out of 5
Based on 338 reviews

BOOST Brief

$50.00 Buy 3+ & Save Up to 15%
Black
Black
Black
Black
Green
Green
Green
Green
Kelp Forest
Kelp Forest
Kelp Forest
Kelp Forest
Beet
Beet
Beet
Beet
Ginger Spice
Ginger Spice
Ginger Spice
Ginger Spice
black-cropped
BOOST Brief
ginger-spice-hover
green-cropped
beet-cropped
kelp-forest-cropped
ginger-spice-cropped
black-hover
green-hover
kelp-forest-hover
beet-hover
Sea-Glass
Sea-Glass
Sea-Glass
Sea-Glass
Rated 4.5 out of 5
Based on 338 reviews

BOOST Brief

$50.00 Buy 3+ & Save Up to 15%
Size
Size Chart
Color
Notify Me When Available

Full bum coverage is back, baybee! Get that hi-waist profile for your zero-waste lifestyle.

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.

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?

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

FAQ Image

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!

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FAQ Image

Real folks, real reviews

Rated 4.5 out of 5
Based on 338 reviews
average rating 4.5 out of 5
Based on 338 reviews
  • 5 Stars
    240 Reviews
  • 4 Stars
    51 Reviews
  • 3 Stars
    35 Reviews
  • 2 Stars
    9 Reviews
  • 1 Star
    3 Reviews
91% 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
338 Reviews
Reviewed by Victoria I.
Verified Buyer
BOOST Brief
Reviewing
BOOST Brief
I recommend this product
Flow
Light
Height
5'4
Size
4X
Rated 5 out of 5
Review posted

Comfy!!

Very comfortable and fit well. Do the work they are designed for.

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Absorbency
Rated 5 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 Leanne W.
Verified Buyer
BOOST Brief
Reviewing
BOOST Brief
I recommend this product
Flow
Heavy
Height
5'8
Hip
47" - 50"
Size
1X
Rated 4 out of 5
Review posted

fits bigger than expected

I have an older pair of aisle underwear from 3 or 4 years ago in an XL and it fits great. When I was buying this pair, I looked at the size chart and realized that with my measurements (waist 37", hips 47"), I fit into the 1X sizing. I chalked it up to the fit being different these days, but these are too big for me! I was able to shrink them a little bit by washing and drying them on warm, but if you are between sizes I'd recommend sizing down. The underwear themselves are great, though.

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Absorbency
Rated 5 out of 5
Comfort
Rated 4 out of 5
Fit
Rated 2 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 Tori C.
Verified Buyer
BOOST Brief
Reviewing
BOOST Brief
I recommend this product
Flow
Heavy
Height
5'6
Hip
41" - 42"
Size
XL
Rated 5 out of 5
Review posted

Love the new waist band!

I am a huge fan of thick waistbands, however Aisle's previous waistband tended to curl and fold especially after a wash. The new thinner waistband doesn't participate in that nonsense. Love the full coverage as always with any Aisle product. Very comfy fabric. I started ordering a size up especially for boost products as the flaps for the booster can be a little chafing and that has added to the perfection.

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Absorbency
Rated 5 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 Kayla H.
Verified Buyer
BOOST Brief
Reviewing
BOOST Brief
I recommend this product
Flow
Light
Height
5'6
Hip
35" - 36"
Size
XS
Rated 5 out of 5
Review posted

Cute and comfy

I almost didn’t place this order because I’ve tried so many different period underwear, but these stand out as being cute, comfy, and with great more natural fabric. Love them and the purple colour is gorgeous in person!

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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
Was this helpful?
Reviewed by Fatima S.
Verified Buyer
BOOST Brief
Reviewing
BOOST Brief
I recommend this product
Flow
Moderate
Height
5'6
Hip
39" - 40"
Size
M
Rated 5 out of 5
Review posted

Obsessed

Total game changer. Have used reusable pads, but these are so much simpler and way more comfortable.

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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?
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