Menstrual Underwear Size Guide

Period Pants For Teens & Adults 

Plus Size Period Underwear Available 

Sixes XXS - 6XL 

Teen Sizes please note: We added the teen size guide for quick reference only, they are the same as adult sizes, the size guide shows this and the measurements. It’s always best to check the measurements! 

INT   UK USA HIP ( INCH)
XXS TEEN Age 9-10
Age 9-10
33
XS TEEN Age 11-12
Age 11-12
35
S TEEN Age 13-14
Age 13-14
37
M TEEN Age 15 -16
Age 15 -16
39
XXS 6 U.K.  4 USA 33
XS 8 U.K. 6 USA 35
S 10 U.K.  8 USA  37 
M 12 U.K.  10 USA  39 
L 14 U.K.  12 USA  41 
XL 16 U.K.  14 USA  43 
2XL 18 U.K.  16 USA  45 
3XL 20 U.K.  18 USA 47 
4XL 22 U.K.  20 USA  49 
5XL 24 U.K.  22 USA  51 
6XL 26 U.K.  24 USA  53