Europe Size 37.5 to US: 10

Europe Size 37.5: Features a foot length of 23.5 $\text{cm}$ (9.25 $\text{in}$), ball width of 8.8 $\text{cm}$ (3.46 $\text{in}$), heel height of 7.5 $\text{cm}$ (3 $\text{in}$), and Medium-to-High Arch support optimized for women’s footwear.

US: 10: Features a foot length of 25.9 $\text{cm}$ (10.2 $\text{in}$), ball width of 9.7 $\text{cm}$ (3.82 $\text{in}$), and heel height of 7.5 $\text{cm}$ (3 $\text{in}$), and Medium Arch support optimized for women’s footwear.