Proof Period Underwear: Leakproof Menstrual Panties

BUY 4, GET 20% OFF

FREE SHIPPING ON ORDERS $50+

60 DAY MONEY-BACK GUARANTEE

Super Heavy Collection

Super Heavy Collection

We design period underwear with superior technology so you can have unmatched confidence, even on your heaviest day.

shop new arrivals

Leakproof Mesh Trim Brief | Powered by Always

Mesh Trim Brief

$22
Buy 4+ and save 20%

moderate Absorbency Holds up to 5 regular tampons
Leakproof High Rise Brief | Super Heavy Powered by Always

High Rise Brief

$25
Buy 4+ and save 20%

super-heavy Absorbency Holds up to 7 regular tampons
Leakproof Brief | Overnight Powered by Always

Brief

$30
Buy 4+ and save 20%

overnight Absorbency Holds up to 9 regular tampons

1 3

the power is in the proof

the reviews are in...

These are for real!
Best leak-proof undies I've owned. I'm a runner and wear religiously. The best!!
Melissa B
So soft and comfortable!
Most comfortable bra on the market I have found yet! Worth every penny. Bought three of them in different colors I love them so much.
Becky R
Nice and comfortable
Barely see panty lines when wearing tight fitted pants. Comfortable to wear.
Nalani Y

1 3

shop our best sellers

Thong
your minimal coverage go-to
Smoothing Brief
buttery, soft smoothing effect
Everyday Brief
invisible fit with scalloped edges

[ { "id": "43687660388521", "sku": "USBF1005BLKFLAT:S", "name": "Leakproof Mesh Trim Brief | Powered by Always", "category": "Bikini", "brand": "Proof by Always", "quantity": 1, "price": 22, "currency": "USD", "image": "//shopproof.com/cdn/shop/files/1-Mesh-Trim-Brief-Moderate_BLACK_4x5_29c5a759-9516-4c91-a175-1bddf24d35d2.jpg?v=1708532071" }, { "id": "44466262081705", "sku": "USHB3002BLKFLAT:XS", "name": "Leakproof High Rise Brief | Super Heavy Powered by Always", "category": "Brief", "brand": "Proof by Always", "quantity": 1, "price": 25, "currency": "USD", "image": "//shopproof.com/cdn/shop/files/Proof_DTC_SuperHeavy-01.jpg?v=1721717331" }, { "id": "44366589788329", "sku": "USBF4001BLKFLAT:M", "name": "Leakproof Brief | Overnight Powered by Always", "category": "High Rise Brief", "brand": "Proof by Always", "quantity": 1, "price": 30, "currency": "USD", "image": "//shopproof.com/cdn/shop/files/Proof_DTC_OVN-01_fb24c487-3663-4bec-aa38-0ed4f02f2585.jpg?v=1719265111" }, { "id": "43705060360361", "sku": "USBF3001BLKFLAT:S", "name": "Leakproof Brief | Powered by Always", "category": "Brief", "brand": "Proof by Always", "quantity": 1, "price": 25, "currency": "USD", "image": "//shopproof.com/cdn/shop/files/1-Brief-SuperHeavy_BLACK_4x5_ccac1b1b-a9cd-495a-8691-3f925be43a7f.jpg?v=1708933999" }, { "id": "43705057509545", "sku": "USHB4000BLKFLAT:XS", "name": "Leakproof High Rise Brief | Powered by Always", "category": "High Rise Brief", "brand": "Proof by Always", "quantity": 1, "price": 30, "currency": "USD", "image": "//shopproof.com/cdn/shop/files/1-Overnight-High-Rise-Brief_BLACK_4x5_08152e33-7420-45b4-ac9c-7beead0bff6b.jpg?v=1708933908" } ]