SWDZM is committed to making cheap and high quality dance shoes for women, men and children. This type of Modern Jazz dance shoes is made of Synthetic Leather,Breathable and waterproof Waterproof platform 2CM,With high 4.5CM Size(US)---------------------Heel to Toe(CM/Inches)--------- 5 M-----------------------------22/8.7--------------- 5.5 M---------------------------22.5/8.9------------- 6 M-----------------------------23/9.1--------------- 6.5 M---------------------------23.5/9.3------------- 7 M-----------------------------24/9.5--------------- 7.5 M---------------------------24.5/9.7------------- 8 M-----------------------------25/9.8--------------- 8.5 M---------------------------25.5/10-------------- 9 M-----------------------------26/10.2-------------- 9.5 M---------------------------26.5/10.4------------ 10 M----------------------------27/10.6-------------- 10.5 M--------------------------27.5/10.8------------ Pure manual measurement, there will be 0.1-0.2CM error, which is normal.According to your length of the foot. please choose the right size.if you have a slim foot, please just choose the US size directly, if you have a fat and thick foot, please choose one large size. If you have any questions,please free to contact directly,SWDZM will try our best to help you to solve.