size & fit chart

Thinx Teens™ strives to protect you from leaks + run true to size. Check out our size guide for more information.

Standard adult sizes:

Adult Sizes:
XSSMLXL
US jean size0-24-68-1012-1416-18
waist23-25"26-28"29-31"32-34"35-37"
hip33-35"36-38"39-41"42-44"45-47"
Adult Sizes:
US jean sizewaisthip
XS0-223-25"33-35"
S4-626-28"36-38"
M8-1029-31"39-41"
L12-1432-34"42-44"
XL16-1835-37"45-47"

Adult plus sizes:

Adult Plus Sizes:
X1X2X3X4X
US jean size14W16-18W20-22W24-26W28-30W
waist36-37"38-40"42-44"46-48"50-52"
hip43-44"45-47"49-51"53-55"57-59"
Adult Plus Sizes:
US jean sizewaisthip
X14W36-37"43-44"
1X16-18W38-40"45-47"
2X20-22W42-44"49-51"
3X24-26W46-48"53-55"
4X28-30W50-52"57-59"

Our plus sizes are made with updated measurements through the waist, hip, and leg for your comfort. If you’ve purchased XXL-XXXL in the past, check your measurements against our new size chart — your size may have changed.

Adult Sizes:
XSSMLXL
US jean size0-24-68-1012-1416-18
waist58-64 cm66-71 cm73-79 cm81-87 cm89-94 cm
hip84-89 cm91-97 cm99-104 cm106-112 cm114-120 cm
Adult Sizes:
US jean sizewaisthip
XS0-258-64 cm84-89 cm
S4-666-71 cm91-97 cm
M8-1073-79 cm99-104 cm
L12-1481-87 cm106-112 cm
XL16-1889-94 cm114-120 cm

Adult plus sizes:

Adult Plus Sizes:
X1X2X3X4X
US jean size14W16-18W20-22W24-26W28-30W
waist91-94 cm97-102 cm106-112 cm117-122 cm127-132 cm
hip109-112 cm114-120 cm124-130 cm135-140 cm145-150 cm
Adult Plus Sizes:
US jean sizewaisthip
X14W91-94 cm109-112 cm
1X16-18W97-102 cm114-120 cm
2X20-22W106-112 cm124-130 cm
3X24-26W117-122 cm135-140 cm
4X28-30W127-132 cm145-150 cm

Our plus sizes are made with updated measurements through the waist, hip, and leg for your comfort. If you’ve purchased XXL-XXXL in the past, check your measurements against our new size chart — your size may have changed.

how to measure:

hip and waist measurement guide

For most of our styles, the hip measurement is the most important to consider for selecting the best fit, especially if you're between sizes.

waist - Measure the smallest area of the torso - right above the belly button and below the ribcage.

hip - Measure the widest part of the hip

Thinx Teens™ strives to protect you from leaks + run true to size. Check out our size guide for more information.

Standard youth sizes:

Teen sizes:
9-10 (S)11-12 (M)13-14 (L)15-16 (XL)
waist23-24"58-61"24.5-25.5"62-65"26-27"66-69"28-29.5"71-75"
hip29-31"74-79"32-33"81-84"34-36"86-91"37-39"94-99"
Teen sizes:
waisthip
9-10 (S)23-24"58-61"29-31"73-79"
11-12 (M)24.5-25.5"62-65"32-33"81-84"
13-14 (L)26-27"66-69"34-36"86-91"
15-16 (XL)28-29.5"71-75"37-39"94-99"
Teen sizes:
9-10 (S)11-12 (M)13-14 (L)15-16 (XL)
waist23-24 cm58-61 cm24.5-25.5 cm62-65 cm26-27 cm66-69 cm28-29.5 cm71-75 cm
hip29-31 cm74-79 cm32-33 cm81-84 cm34-36 cm86-91 cm37-39 cm94-99 cm
Teen sizes:
waisthip
9-10 (S)23-24 cm58-61 cm29-31 cm73-79 cm
11-12 (M)24.5-25.5 cm62-65 cm32-33 cm81-84 cm
13-14 (L)26-27 cm66-69 cm34-36 cm86-91 cm
15-16 (XL)28-29.5 cm71-75 cm37-39 cm94-99 cm

how to measure:

hip and waist measurement guide

For most of our styles, the hip measurement is the most important to consider for selecting the best fit, especially if you're between sizes.

waist - Measure the smallest area of the torso - right above the belly button and below the ribcage.

hip - Measure the widest part of the hip

Thinx Teens™ strives to protect you from leaks + run true to size. Check out our size guide for more information.

Signature adult sizes:

Signature adult sizes:
XSSMLXL2XL3XL4XL5XL
US jean size24-6810-1214161820-2224
waist25-26"27-28"29-30"31-32"33-34.5"35.5-37"37.5-38.5"39.5-40.5"41-42.5"
hip35-36"37-38"39-40"41-42"43-44.5"45.5-47.5"48.5-49.5"50-51"52-53"
Signature adult sizes:
US jean sizewaisthip
XS225-26"35-36"
S4-627-28"37-38"
M829-30"39-40"
L10-1231-32"41-42"
XL1433-34.5"43-44.5"
2XL1635.5-37"45.5-47.5"
3XL1837.5-38.5"48.5-49.5"
4XL20-2239.5-40.5"50-51"
5XL2441-42.5"52-53"

Essential adult sizes:

Essential adult sizes:
XSSMLXLX1X2X3X4X
US jean size0-24-68-1012-1416-1814W16W-18W20W-22W24W-26W28W-30W
waist23-25"26-28"29-31"32-34"35-37"36-37"38-40"42-44"46-48"50-52"
hip33-35"36-38"39-41"42-44"45-47"43-44"45-47"49-51"53-55"57-59"
Essential adult sizes:
US jean sizewaisthip
XS0-223-25"33-35"
S4-626-28"36-38"
M8-1029-31"39-41"
L12-1432-34"42-44"
XL16-1835-37"45-47"
X14W36-37"43-44"
1X16W-18W38-40"45-47"
2X20W-22W42-44"49-51"
3X24W-26W46-48"53-55"
4X28W-30W50-52"57-59"
Signature adult sizes:
XSSMLXL2XL3XL4XL5XL
US jean size24-6810-1214161820-2224
waist63-6668-7173-7679-8284-8890-9495-98100-103104-108
hip89-9294-9799-102104-107109-113115-121123-126127-130132-135
Signature adult sizes:
US jean sizewaisthip
XS263-6689-92
S4-668-7194-97
M873-7699-102
L10-1279-82104-107
XL1484-88109-113
2XL1690-94115-121
3XL1895-98123-126
4XL20-22100-103127-130
5XL24104-108132-135

Essential adult sizes:

Essential adult sizes:
XSSMLXLX1X2X3X4X
US jean size0-24-68-1012-1416-1814W16W-18W20W-22W24W-26W28W-30W
waist58-6466-7173-7981-8789-9491-9497-102106-112117-122127-132
hip84-8991-9799-104106-112114-120109-112114-120124-130135-140145-150
Essential adult sizes:
US jean sizewaisthip
XS0-258-6484-89
S4-666-7191-97
M8-1073-7999-104
L12-1481-87106-112
XL16-1889-94114-120
X14W91-94109-112
1X16W-18W97-102114-120
2X20W-22W106-112124-130
3X24W-26W117-122135-140
4X28W-30W127-132145-150

how to measure:

hip and waist measurement guide

For most of our styles, the hip measurement is the most important to consider for selecting the best fit, especially if you're between sizes.

waist - Measure the smallest area of the torso - right above the belly button and below the ribcage.

hip - Measure the widest part of the hip