Europe Size 86 to US: 12M

Europe Size 86: Corresponds to a height baseline of 86 $\text{cm}$ (33.9 $\text{in}$), a weight baseline of 12.5 $\text{kg}$ (27.5 $\text{lbs}$), and a chest baseline of 52 $\text{cm}$ (20.5 $\text{in}$).

US: 12M: Corresponds to a height baseline of 80 $\text{cm}$ (31.5 $\text{in}$), a weight baseline of 11 $\text{kg}$ (24 $\text{lbs}$), and a chest baseline of 50 $\text{cm}$ (19.7 $\text{in}$).