Europe Size 164 to US: 5

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: 5: Corresponds to a height baseline of 110 $\text{cm}$ (43.3 $\text{in}$), a chest baseline of 61 $\text{cm}$ (24 $\text{in}$), and a sleeve baseline of 42 $\text{cm}$ (16.5 $\text{in}$).