1. Please choose the size from your foot length !! Foot Length unit is CMmillimeter) 2. Stand Straight on a paper, mark points of the longest front toe and heel.The length of the two points is the foot length 3. Left foot and right foot will be slight different length, please measure the bigger one 4. If feet is thick or wide, pls choose one size bigger. Tips: 1. Please wipe your sneakers with a wet cloth. Do not wash them directly with water. 2. Avoid immersion, high temperature and direct sunlight to avoid discoloration and distortion. 3. Avoid contact with sharp and corrosive chemicals. 4. After use, please put it in a cool place to air-dry to ensure that shoes are dry and clean. 5.Badminton shoes are recommended for indoor use. Notice: All of shoes will be shipped without 'Shoes Box',if you really need please contact with us pay extra fee thanks Due to the factors such as lighting and display, there will be some color difference. Please accept the receipt of the object