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  • #color_black Overnight High Rise Brief Secondary Image

    Overnight High Rise Brief

    High Rise Brief

    $25
    Buy 4+ and save 20%
    overnight Absorbency Holds up to 9 regular tampons
    #color_black #color_black #color_black #color_black #color_black #color_black
  • #color_black Super Heavy Brief Secondary Image

    Super Heavy Brief

    Brief

    $20
    Buy 4+ and save 20%
    super-heavy Absorbency Holds up to 7 regular tampons
    #color_black #color_black #color_black #color_black #color_black #color_black #color_ruby_red #color_ruby_red #color_ruby_red #color_ruby_red #color_ruby_red #color_ruby_red #color_beige #color_beige
  • #color_black Overnight Brief Secondary Image

    Overnight Brief

    Brief

    $25
    Buy 4+ and save 20%
    overnight Absorbency Holds up to 9 regular tampons
    #color_black #color_black #color_black #color_black #color_black #color_black
  • #color_black Super Heavy High Rise Brief Secondary Image

    Super Heavy High Rise Brief

    High Rise Brief

    $20
    Buy 4+ and save 20%
    super-heavy Absorbency Holds up to 7 regular tampons
    #color_black #color_black #color_black #color_black #color_black #color_black
  • #color_black Overnight Boyshort Secondary Image

    Overnight Boyshort

    Boyshort

    $40
    Buy 4+ and save 20%
    overnight Absorbency Holds up to 9 regular tampons
    #color_black #color_black #color_black #color_black #color_black #color_black
  • Primary Grid Collection Image
  • #color_black Everyday Brief Secondary Image

    Everyday Brief

    Brief

    $20
    Buy 4+ and save 20%
    light Absorbency Holds up to 1 regular tampons
    #color_black #color_black #color_black #color_black #color_black #color_black #color_beige #color_beige #color_beige #color_beige #color_beige #color_beige
  • #color_black Everyday Thong Secondary Image

    Everyday Thong

    Thong

    $20
    Buy 4+ and save 20%
    light Absorbency Holds up to 1 regular tampons
    #color_black #color_black #color_black #color_black #color_black #color_black #color_beige #color_beige #color_beige #color_beige #color_beige #color_beige
  • #color_black Postpartum High Rise Brief Secondary Image

    Postpartum High Rise Brief

    Sold out

    Postpartum High Rise Brief

    $30
    Moderate Postpartum Flows Up to 12 hours leak proof
    #color_black #color_black #color_black #color_black
[ { "id": "43705057509545", "sku": "USHB4000BLKFLAT:XS", "name": "Overnight High Rise Brief", "category": "High Rise Brief", "brand": "Proof by Always", "quantity": 1, "price": 25, "currency": "USD", "image": "//shopproof.com/cdn/shop/files/1-Overnight-High-Rise-Brief_BLACK_4x5_08152e33-7420-45b4-ac9c-7beead0bff6b.jpg?v=1708933908" }, { "id": "43705060327593", "sku": "USBF3001BLKFLAT:XS", "name": "Super Heavy Brief", "category": "Brief", "brand": "Proof by Always", "quantity": 1, "price": 20, "currency": "USD", "image": "//shopproof.com/cdn/shop/files/1-Brief-SuperHeavy_BLACK_4x5_ccac1b1b-a9cd-495a-8691-3f925be43a7f.jpg?v=1708933999" }, { "id": "44366589722793", "sku": "USBF4001BLKFLAT:XS", "name": "Overnight Brief", "category": "Brief", "brand": "Proof by Always", "quantity": 1, "price": 25, "currency": "USD", "image": "//shopproof.com/cdn/shop/files/Proof_DTC_OVN-01_fb24c487-3663-4bec-aa38-0ed4f02f2585.jpg?v=1719265111" }, { "id": "44466262081705", "sku": "USHB3002BLKFLAT:XS", "name": "Super Heavy High Rise Brief", "category": "High Rise Brief", "brand": "Proof by Always", "quantity": 1, "price": 20, "currency": "USD", "image": "//shopproof.com/cdn/shop/files/Proof_DTC_SuperHeavy-01.jpg?v=1721717331" }, { "id": "45417096216745", "sku": "USST4010BLKFLAT:XS", "name": "Overnight Boyshort", "category": "Boyshort", "brand": "Proof by Always", "quantity": 1, "price": 40, "currency": "USD", "image": "//shopproof.com/cdn/shop/files/Boyshort-01.jpg?v=1741112449" }, { "id": "45436171223209", "sku": "USBF0001BLKFLAT:XS", "name": "Everyday Brief", "category": "Brief", "brand": "Proof by Always", "quantity": 1, "price": 20, "currency": "USD", "image": "//shopproof.com/cdn/shop/files/EverydayBrief_Black_01.jpg?v=1741631411" }, { "id": "45436173549737", "sku": "USTG0001BLKFLAT:XS", "name": "Everyday Thong", "category": "Thong", "brand": "Proof by Always", "quantity": 1, "price": 20, "currency": "USD", "image": "//shopproof.com/cdn/shop/files/EverydayThong_Black_01.jpg?v=1741373981" }, { "id": "45457814585513", "sku": "", "name": "Postpartum High Rise Brief", "category": "High Rise Brief", "brand": "Proof by Always", "quantity": 1, "price": 30, "currency": "USD", "image": "//shopproof.com/cdn/shop/files/Postpartum_01f.jpg?v=1741749171" } ]

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Our Patented Leak-Loc® technology helps lock in leaks
learn more

Teaspoons Icon

Shop

Our Patented Leak-Loc® technology helps lock in leaks
learn more

Teaspoons Icon

Shop

Our Patented Leak-Loc® technology helps lock in leaks
learn more

Teaspoons Icon

Shop

Our Patented Leak-Loc® technology helps lock in leaks
learn more

Teaspoons Icon

Shop

Our Patented Leak-Loc® technology helps lock in leaks
learn more

Teaspoons Icon

Shop

Our Patented Leak-Loc® technology helps lock in leaks
learn more

Teaspoons Icon

Shop

Our Patented Leak-Loc® technology helps lock in leaks
learn more

Teaspoons Icon

Shop

Our Patented Leak-Loc® technology helps lock in leaks
learn more

Teaspoons Icon

Shop
super-light Icon

holds up to 1 light tampon

Our Patented Leak-Loc® technology helps lock in leaks
learn more

Great For

  • Light spotting
  • Panty liner alternative
  • Back up a tampon
  • Discharge
  • Sweat
Shop super-light
light Icon

holds up to 1 regular tampon

Our Patented Leak-Loc® technology helps lock in leaks
learn more

Great For

  • Light periods and spotting
  • Back up a tampon
  • Discharge
  • Sweat
  • Fights odor
Shop light
moderate Icon

holds up to 3 regular tampons

Our Patented Leak-Loc® technology helps lock in leaks
learn more

Great For

  • Moderate Periods
  • Light bladder leaks
  • Pad alternative
  • Alternative/back up a tampon or cup Discharge
  • Sweat
  • Fights odor
Shop moderate
heavy Icon

holds up to 4 regular tampons

Our Patented Leak-Loc® technology helps lock in leaks
learn more

Great For

  • Heavy periods
  • Moderate bladder leaks
  • Pad alternative
  • Alternative/back up a tampon or cup
  • Discharge
  • Sweat
  • Fights odor
Shop heavy
super-heavy Icon

holds up to 5 regular tampons

Our Patented Leak-Loc® technology helps lock in leaks
learn more

Great For

  • Super Heavy periods
  • Heavy bladder leaks
  • Pad alternative
  • Alternative/back up a tampon or cup
  • Sweat
  • Fights odor
Shop super-heavy

sizing guide

underwear sizing

HIP
33-35"
84-89cm
35-38"
89-97cm
38-41"
97-104cm
41-44"
104-112cm
44-47"
112-119cm
47-50"
119-127cm
50-54"
127-137cm
WAIST
23-25"
58-64cm
25-28"
64-71cm
28-31"
71-79cm
31-34"
79-86cm
34-37"
86-94cm
37-40"
94-102cm
40-44"
102-112cm
US
0-2
0-2
4-6
4-6
8-10
8-10
12-14
12-14
16-18
16-18
20-22
20-22
24-26
24-26
AU/UK
4-6
4-6
8-10
8-10
12-14
12-14
16-18
16-18
20-22
20-22
22-24
22-24
26-28
26-28
EUR
32-34
32-34
36-38
36-38
40-42
40-42
44-46
44-46
48-50
48-50
52-54
52-54
56-58
56-58

Measure around your body as shown.

If your measurements fall into different size categories, your hip measurement will be most accurate.

xs-img

Measure around your body as shown.

If your measurements fall into different size categories, your hip measurement will be most accurate.

xs-img

Measure around your body as shown.

If your measurements fall into different size categories, your hip measurement will be most accurate.

xs-img

Measure around your body as shown.

If your measurements fall into different size categories, your hip measurement will be most accurate.

xs-img

Measure around your body as shown.

If your measurements fall into different size categories, your hip measurement will be most accurate.

xs-img

Measure around your body as shown.

If your measurements fall into different size categories, your hip measurement will be most accurate.

xs-img

Measure around your body as shown.

If your measurements fall into different size categories, your hip measurement will be most accurate.

xs-img

underwear sizing

Hip
34-36"
4-6
36-38.5"
8-10
38.5-41"
12-14
41-44"
16-18
44-48"
20-22
48-51.5
22-24
Waist
24-26"
32-34
26-28.5"
36-38
28.5-31"
40-42
31-34.5"
44-46
35-39"
48-50
39-43"
52-54
Pant
0-2
0-2
4-6
4-6
8-10
8-10
12-14
12-14
16-18
16-18
20-22
20-22

Measure around your body as shown.

If your measurements fall into different size categories, your hip measurement will be most accurate.

xs-img

Measure around your body as shown.

If your measurements fall into different size categories, your hip measurement will be most accurate.

xs-img

Measure around your body as shown.

If your measurements fall into different size categories, your hip measurement will be most accurate.

xs-img

Measure around your body as shown.

If your measurements fall into different size categories, your hip measurement will be most accurate.

xs-img

Measure around your body as shown.

If your measurements fall into different size categories, your hip measurement will be most accurate.

xs-img

Measure around your body as shown.

If your measurements fall into different size categories, your hip measurement will be most accurate.

xs-img

Measure around your body as shown.

If your measurements fall into different size categories, your hip measurement will be most accurate.

xs-img

underwear sizing

US
0-6
0-6
8-14
8-14
16-18
16-18
AU/UK
4-10
4-10
12-18
12-18
20-22
20-22
EUR
32-36
32-36
38-44
38-44
46-48
46-48

Measure around your body as shown.

If your measurements fall into different size categories, your hip measurement will be most accurate.

bra sizing

32
70
70
XS
XS
XS
XS
XS
XS
S
S
S
M
M
M
M
M
M
L
L
L
34
75
75
S
S
S
S
S
S
S
S
S
M
M
M
L
L
L
L
L
L
36
80
80
S
S
S
M
M
M
M
M
M
L
L
L
L
L
L
XL
XL
XL
38
85
85
M
M
M
M
M
M
L
L
L
L
L
L
XL
XL
XL
XL
XL
XL
40
90
90
L
L
L
L
L
L
XL
XL
XL
XL
XL
XL
XL
XL
XL
42
95
95
L
L
L
XL
XL
XL
XL
XL
XL
XL
XL
XL

teen underwear sizing

PROOF TEEN
S
M
L
XL
2XL
Girls Size
8/10
10/12
12/14
14/16
Coming Soon
Waist Measure
23"-24"
24"-25"
25"-26"
26"-27"
Coming Soon
Hip Measure
28"-30"
30"-32"
32"-34"
34"-36"
Coming Soon
Measure around your body as shown.

If your measurements fall into different size categories, your hip measurement will be most accurate.
teen-size-guide
Measure around your body as shown.

If your measurements fall into different size categories, your hip measurement will be most accurate.
teen-size-guide
Measure around your body as shown.

If your measurements fall into different size categories, your hip measurement will be most accurate.
teen-size-guide
Measure around your body as shown.

If your measurements fall into different size categories, your hip measurement will be most accurate.
teen-size-guide
Measure around your body as shown.

If your measurements fall into different size categories, your hip measurement will be most accurate.
teen-size-guide
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