Surefit Size Chart [Kids G] This chart applies to the following Surefit styles: Love My Sandals range – Avery, Olivia, Riley Get the perfect fit every time. 1. Measure your child’s foot length 2. Add 10 mm growth room 3. Match that to the inner length of the size you need Surefit Size [Kids G Chart] Our Aus Size Inner shoe measurement [mm] 30 11 189 31 12 196 32 13 203 33 1 209 34 1.5 216 35 2 223 Surefit sizing can vary between different styles, so please use the right size chart for the style you are falling in love with and about to purchase. To make this easy, the styles are listed at the top of each of our Surefit size charts.