size & fit chart

Thinx 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 size24-6810-1214
waist25-26"63-66"27-28"68-71"29-30"73-76"31-32"79-82"33-34.5"84-88"
hip35-36"89-92"37-38"94-97"39-40"99-102"41-42"104-107"43-44.5"109-113"
Adult Sizes:
US jean sizewaisthip
XS225-26"63-66"35-36"89-92"
S4-627-28"68-71"37-38"94-97"
M829-30"73-76"39-40"99-102"
L10-1231-32"79-82"41-42"104-107"
XL1433-34.5"84-88"43-44.5"109-113"
Adult Plus Sizes:
US jean sizewaisthip
X14W36-37”"91-94"43-44”"109-112"
1X16-18W38-40"97-102"45-47"114-120"
2X20-22W 42-44"106-112"49-51"124-130"
3X24-26W46-48"117-122"53-55"135-140"
4X28-30W50-52"127-132"57-59"145-150"

Adult plus sizes:

Adult Plus Sizes:
X1X2X3X4X
US jean size14W16-18W20-22W24-26W28-30W
waist36-37"91-94"38-40"97-102"42-44"106-112"46-48"117-122"50-52"127-132"
hip43-44"109-112"45-47"114-120"49-51"124-130"53-55"135-140"57-59"145-150"
Adult Sizes:
US jean sizewaisthip
XS225-26"63-66"35-36"89-92"
S4-627-28"68-71"37-38"94-97"
M829-30"73-76"39-40"99-102"
L10-1231-32"79-82"41-42"104-107"
XL1433-34.5"84-88"43-44.5"109-113"
Adult Plus Sizes:
US jean sizewaisthip
X14W36-37”"91-94"43-44”"109-112"
1X16-18W38-40"97-102"45-47"114-120"
2X20-22W 42-44"106-112"49-51"124-130"
3X24-26W46-48"117-122"53-55"135-140"
4X28-30W50-52"127-132"57-59"145-150"

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 size24-6810-1214
waist25-26 cm63-66 cm27-28 cm68-71 cm29-30 cm73-76 cm31-32 cm79-82 cm33-34.5 cm84-88 cm
hip35-36 cm89-92 cm37-38 cm94-97 cm39-40 cm99-102 cm41-42 cm104-107 cm43-44.5 cm109-113 cm
Adult Sizes:
US jean sizewaisthip
XS225-26 cm63-66 cm35-36 cm89-92 cm
S4-627-28 cm68-71 cm37-38 cm94-97 cm
M829-30 cm73-76 cm39-40 cm99-102 cm
L10-1231-32 cm79-82 cm41-42 cm104-107 cm
XL1433-34.5 cm84-88 cm43-44.5 cm109-113 cm
Adult Plus Sizes:
US jean sizewaisthip
X14W36-37” cm91-94 cm43-44” cm109-112 cm
1X16-18W38-40 cm97-102 cm45-47 cm114-120 cm
2X20-22W 42-44 cm106-112 cm49-51 cm124-130 cm
3X24-26W46-48 cm117-122 cm53-55 cm135-140 cm
4X28-30W50-52 cm127-132 cm57-59 cm145-150 cm

Adult plus sizes:

Adult Plus Sizes:
X1X2X3X4X
US jean size14W16-18W20-22W24-26W28-30W
waist36-37 cm91-94 cm38-40 cm97-102 cm42-44 cm106-112 cm46-48 cm117-122 cm50-52 cm127-132 cm
hip43-44 cm109-112 cm45-47 cm114-120 cm49-51 cm124-130 cm53-55 cm135-140 cm57-59 cm145-150 cm
Adult Sizes:
US jean sizewaisthip
XS225-26 cm63-66 cm35-36 cm89-92 cm
S4-627-28 cm68-71 cm37-38 cm94-97 cm
M829-30 cm73-76 cm39-40 cm99-102 cm
L10-1231-32 cm79-82 cm41-42 cm104-107 cm
XL1433-34.5 cm84-88 cm43-44.5 cm109-113 cm
Adult Plus Sizes:
US jean sizewaisthip
X14W36-37” cm91-94 cm43-44” cm109-112 cm
1X16-18W38-40 cm97-102 cm45-47 cm114-120 cm
2X20-22W 42-44 cm106-112 cm49-51 cm124-130 cm
3X24-26W46-48 cm117-122 cm53-55 cm135-140 cm
4X28-30W50-52 cm127-132 cm57-59 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 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 size24-6810-1214
waist25-26"63-66"27-28"68-71"29-30"73-76"31-32"79-82"33-34.5"84-88"
hip35-36"89-92"37-38"94-97"39-40"99-102"41-42"104-107"43-44.5"109-113"
Adult Sizes:
US jean sizewaisthip
XS225-26"63-66"35-36"89-92"
S4-627-28"68-71"37-38"94-97"
M829-30"73-76"39-40"99-102"
L10-1231-32"79-82"41-42"104-107"
XL1433-34.5"84-88"43-44.5"109-113"
Adult Plus Sizes:
US jean sizewaisthip
X14W36-37”"91-94"43-44”"109-112"
1X16-18W38-40"97-102"45-47"114-120"
2X20-22W 42-44"106-112"49-51"124-130"
3X24-26W46-48"117-122"53-55"135-140"
4X28-30W50-52"127-132"57-59"145-150"

Adult plus sizes:

Adult Plus Sizes:
X1X2X3X4X
US jean size14W16-18W20-22W24-26W28-30W
waist36-37"91-94"38-40"97-102"42-44"106-112"46-48"117-122"50-52"127-132"
hip43-44"109-112"45-47"114-120"49-51"124-130"53-55"135-140"57-59"145-150"
Adult Sizes:
US jean sizewaisthip
XS225-26"63-66"35-36"89-92"
S4-627-28"68-71"37-38"94-97"
M829-30"73-76"39-40"99-102"
L10-1231-32"79-82"41-42"104-107"
XL1433-34.5"84-88"43-44.5"109-113"
Adult Plus Sizes:
US jean sizewaisthip
X14W36-37”"91-94"43-44”"109-112"
1X16-18W38-40"97-102"45-47"114-120"
2X20-22W 42-44"106-112"49-51"124-130"
3X24-26W46-48"117-122"53-55"135-140"
4X28-30W50-52"127-132"57-59"145-150"

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 size24-6810-1214
waist25-26 cm63-66 cm27-28 cm68-71 cm29-30 cm73-76 cm31-32 cm79-82 cm33-34.5 cm84-88 cm
hip35-36 cm89-92 cm37-38 cm94-97 cm39-40 cm99-102 cm41-42 cm104-107 cm43-44.5 cm109-113 cm
Adult Sizes:
US jean sizewaisthip
XS225-26 cm63-66 cm35-36 cm89-92 cm
S4-627-28 cm68-71 cm37-38 cm94-97 cm
M829-30 cm73-76 cm39-40 cm99-102 cm
L10-1231-32 cm79-82 cm41-42 cm104-107 cm
XL1433-34.5 cm84-88 cm43-44.5 cm109-113 cm
Adult Plus Sizes:
US jean sizewaisthip
X14W36-37” cm91-94 cm43-44” cm109-112 cm
1X16-18W38-40 cm97-102 cm45-47 cm114-120 cm
2X20-22W 42-44 cm106-112 cm49-51 cm124-130 cm
3X24-26W46-48 cm117-122 cm53-55 cm135-140 cm
4X28-30W50-52 cm127-132 cm57-59 cm145-150 cm

Adult plus sizes:

Adult Plus Sizes:
X1X2X3X4X
US jean size14W16-18W20-22W24-26W28-30W
waist36-37 cm91-94 cm38-40 cm97-102 cm42-44 cm106-112 cm46-48 cm117-122 cm50-52 cm127-132 cm
hip43-44 cm109-112 cm45-47 cm114-120 cm49-51 cm124-130 cm53-55 cm135-140 cm57-59 cm145-150 cm
Adult Sizes:
US jean sizewaisthip
XS225-26 cm63-66 cm35-36 cm89-92 cm
S4-627-28 cm68-71 cm37-38 cm94-97 cm
M829-30 cm73-76 cm39-40 cm99-102 cm
L10-1231-32 cm79-82 cm41-42 cm104-107 cm
XL1433-34.5 cm84-88 cm43-44.5 cm109-113 cm
Adult Plus Sizes:
US jean sizewaisthip
X14W36-37” cm91-94 cm43-44” cm109-112 cm
1X16-18W38-40 cm97-102 cm45-47 cm114-120 cm
2X20-22W 42-44 cm106-112 cm49-51 cm124-130 cm
3X24-26W46-48 cm117-122 cm53-55 cm135-140 cm
4X28-30W50-52 cm127-132 cm57-59 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 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 size24-6810-1214
waist25-26"63-66"27-28"68-71"29-30"73-76"31-32"79-82"33-34.5"84-88"
hip35-36"89-92"37-38"94-97"39-40"99-102"41-42"104-107"43-44.5"109-113"
Adult Sizes:
US jean sizewaisthip
XS225-26"63-66"35-36"89-92"
S4-627-28"68-71"37-38"94-97"
M829-30"73-76"39-40"99-102"
L10-1231-32"79-82"41-42"104-107"
XL1433-34.5"84-88"43-44.5"109-113"
Adult Plus Sizes:
US jean sizewaisthip
X14W36-37”"91-94"43-44”"109-112"
1X16-18W38-40"97-102"45-47"114-120"
2X20-22W 42-44"106-112"49-51"124-130"
3X24-26W46-48"117-122"53-55"135-140"
4X28-30W50-52"127-132"57-59"145-150"

Adult plus sizes:

Adult Plus Sizes:
X1X2X3X4X
US jean size14W16-18W20-22W24-26W28-30W
waist36-37"91-94"38-40"97-102"42-44"106-112"46-48"117-122"50-52"127-132"
hip43-44"109-112"45-47"114-120"49-51"124-130"53-55"135-140"57-59"145-150"
Adult Sizes:
US jean sizewaisthip
XS225-26"63-66"35-36"89-92"
S4-627-28"68-71"37-38"94-97"
M829-30"73-76"39-40"99-102"
L10-1231-32"79-82"41-42"104-107"
XL1433-34.5"84-88"43-44.5"109-113"
Adult Plus Sizes:
US jean sizewaisthip
X14W36-37”"91-94"43-44”"109-112"
1X16-18W38-40"97-102"45-47"114-120"
2X20-22W 42-44"106-112"49-51"124-130"
3X24-26W46-48"117-122"53-55"135-140"
4X28-30W50-52"127-132"57-59"145-150"

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 size24-6810-1214
waist25-26 cm63-66 cm27-28 cm68-71 cm29-30 cm73-76 cm31-32 cm79-82 cm33-34.5 cm84-88 cm
hip35-36 cm89-92 cm37-38 cm94-97 cm39-40 cm99-102 cm41-42 cm104-107 cm43-44.5 cm109-113 cm
Adult Sizes:
US jean sizewaisthip
XS225-26 cm63-66 cm35-36 cm89-92 cm
S4-627-28 cm68-71 cm37-38 cm94-97 cm
M829-30 cm73-76 cm39-40 cm99-102 cm
L10-1231-32 cm79-82 cm41-42 cm104-107 cm
XL1433-34.5 cm84-88 cm43-44.5 cm109-113 cm
Adult Plus Sizes:
US jean sizewaisthip
X14W36-37” cm91-94 cm43-44” cm109-112 cm
1X16-18W38-40 cm97-102 cm45-47 cm114-120 cm
2X20-22W 42-44 cm106-112 cm49-51 cm124-130 cm
3X24-26W46-48 cm117-122 cm53-55 cm135-140 cm
4X28-30W50-52 cm127-132 cm57-59 cm145-150 cm

Adult plus sizes:

Adult Plus Sizes:
X1X2X3X4X
US jean size14W16-18W20-22W24-26W28-30W
waist36-37 cm91-94 cm38-40 cm97-102 cm42-44 cm106-112 cm46-48 cm117-122 cm50-52 cm127-132 cm
hip43-44 cm109-112 cm45-47 cm114-120 cm49-51 cm124-130 cm53-55 cm135-140 cm57-59 cm145-150 cm
Adult Sizes:
US jean sizewaisthip
XS225-26 cm63-66 cm35-36 cm89-92 cm
S4-627-28 cm68-71 cm37-38 cm94-97 cm
M829-30 cm73-76 cm39-40 cm99-102 cm
L10-1231-32 cm79-82 cm41-42 cm104-107 cm
XL1433-34.5 cm84-88 cm43-44.5 cm109-113 cm
Adult Plus Sizes:
US jean sizewaisthip
X14W36-37” cm91-94 cm43-44” cm109-112 cm
1X16-18W38-40 cm97-102 cm45-47 cm114-120 cm
2X20-22W 42-44 cm106-112 cm49-51 cm124-130 cm
3X24-26W46-48 cm117-122 cm53-55 cm135-140 cm
4X28-30W50-52 cm127-132 cm57-59 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