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Size Guide

All sizing on our website is in AUSTRALIAN sizing - XS (6) S (8) M (10) L (12) XL (14) XXL (16)

Please note that we do stock various labels on our online store and there may be slight variations in sizing from one style to another. 

If a particular size is of a smaller or larger fit, or if a style has a particular fit we will try to advise in the product description.

Our models typically wear size 6 or 8 (unless described otherwise in the product description). Models measurements are also included on the listings.

For any questions in regards to sizing, please email our customer care team at customerservice@billyj.com.au

How to measure

International Size Chart



Aus 5 6 7 8 9 10
European 36 37 38 39 40 41
3 4 5 6 7 8


The above is an approximate size guide only, please contact our customer service is you require further assistance at customerservice@billyj.com.au