Rated 4.5 out of 5
Based on 324 reviews

BOOST Brief

$37.50 $50.00 Clearance - Final Sale
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Rated 4.5 out of 5
Based on 324 reviews

BOOST Brief

$37.50 $50.00 Clearance - Final Sale
Size
Size Chart
Color
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Last call for these clearance-priced colors in our Boost Brief style! Featuring a high waist and full hip and bum coverage, with our high absorbency, leakproof technology built right it.

Details

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

Absorbency

Holds 8+ tampons worth when worn with the absorbency 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.

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Black
Black
Size
Color

BOOST Brief
 $50.00

Color
Absorbency
XXS-XL
XXS-XL
Size

Booster
 $8.00

Black
Black
Size
Color

BOOST Boxer
 $52.00

Color
Absorbency

Stay dry & feelin' fly

Product Features Image
Machine wash & dry safe (NBD) Machine wash & dry safe (NBD)
Made with Truetex™ fabric technology Made with Truetex™ fabric technology
Holds 8+ tampons worth with our booster Holds 8+ tampons worth with our booster
Includes a bonus absorbency booster Includes a bonus absorbency booster
Product Features Image Product Features Image

FAQ

How do Aisle period underwear 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 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 period underwear?

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 324 reviews
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average rating 4.5 out of 5
Based on 324 reviews
  • 5 Stars
    232 Reviews
  • 4 Stars
    49 Reviews
  • 3 Stars
    31 Reviews
  • 2 Stars
    9 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
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324 Reviews
Reviewed by Maegen D.
Verified Buyer
BOOST Brief
Reviewing
BOOST Brief
I recommend this product
Flow
Very Heavy
Height
5'5
Size
XL
Rated 5 out of 5
Review posted

Never Switching Again

So soft and comfortable! You barely can tell you are even wearing them. Stretchy and practical. No wedgies and full coverage. Never again will I get that tight digging into my skin feeling I used to get during my periods. I am so thankful and grateful that this product exists and this company exists. 🥳

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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 Jenny L.
Verified Buyer
BOOST Brief
Reviewing
BOOST Brief
I recommend this product
Flow
Heavy
Height
5'3
Hip
< 35"
Size
S
Rated 5 out of 5
Review posted

Does the job

No leaks! I wear them on both heavy days and lighter days, but my heavy days are HEAVY, so I wear a cup in addition to the period panties just in case. Full protection on my lighter days. Very comfortable with good stretch.

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Absorbency
Rated 3 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 Brianna K.
Verified Buyer
BOOST Brief
Reviewing
BOOST Brief
I recommend this product
Flow
Very Heavy
Height
5'9
Hip
51" - 54"
Size
4X
Rated 5 out of 5
Review posted

Relief

These are really great. I have no worries of leaks or a weird smell. I would size up though if you are a plus size person.

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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 Cecilia R.
Verified Buyer
BOOST Brief
Reviewing
BOOST Brief
I recommend this product
Flow
Moderate
Height
5'2
Hip
39" - 40"
Size
S
Rated 5 out of 5
Review posted

Best period pants I own

These are the best period pants I own. They’re so versatile because you have the booster and then you can boost it further during day with those separate pad inserts Aisle is selling, then use them as-is at night with the booster insert. Very comfortable too! I wear size small and my measurements are waist 26-27” hips widest part 39”.

I found aisle looking for safe period underwear that doesn’t contain any of the nasty PFAS and such that some of the other well known brands might.

Very happy with my purchase and will buy more.

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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 Susanna E.
Verified Buyer
BOOST Brief
Reviewing
BOOST Brief
I recommend this product
Flow
Heavy
Height
5'1
Hip
39" - 40"
Size
L
Rated 5 out of 5
Review posted

Boost briefs

Very comfortable and very reassuring!

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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?
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