VICTOR Badminton Shoes A170II Second Generation for Men And Women, Wear-Resistant Breathable Sports Shoes, White And Gray, Size 42

1. Wear tennis socks, stand upright, and distribute weight evenly on both feet.

2. Stand against a wall on a hard surface, keeping the heels close to the wall.

3. Measure the length from the heel to the tip of the foot using a soft tape measure or ruler.

4. Compare the measured length with the size chart and choose the appropriate size.