First stand on your feet firmly on the floor to measure the longest part, then use that foot length data to find out the corresponding shoes size on the below size table.1. Foot length in the size table means using this foot length to choose the corresponding correct size that will be suitable. Foot length NOT insole length NOT outsole length.2. Please choose according to your foot length, (Don't choose size according to your usual shoes size !!!)3.Due to different display and shooting angle, it may be a little color difference from the real one.