Europe Size 164 to US: 6

Europe Size 164: Corresponds to a height baseline of 164 $\text{cm}$ (64.6 $\text{in}$), a chest baseline of 88 $\text{cm}$ (34.6 $\text{in}$), and a sleeve baseline of 65 $\text{cm}$ (25.6 $\text{in}$).

US: 6: Corresponds to a height baseline of 116 $\text{cm}$ (45.7 $\text{in}$), a chest baseline of 63 $\text{cm}$ (24.8 $\text{in}$), and a sleeve baseline of 45 $\text{cm}$ (17.7 $\text{in}$).