Note 1: Please choose the size according to your foot lengthNote 2 : Foot Length = insole length - (1~1.5) CMNote 3 : We sent the shoes according to Eur size , If you find there are countries shoes size, just use Europe size chart to verify the shoes you received, other countries size can be ignoredNote 4 : Stand straight on a paper, mark points of the longest front toe and heel, the length of the two points is the foot length.Note 5 : The length of the left foot and right foot may be slightly different , please measure the bigger one.Note 6 : If your feet are think and wide, we suggest you choose one size bigger. if they are narrow and thin, we suggest you choose one size smaller.