Europe Size 15 to US: 2XL

Europe Size 15: Corresponds to a wrist circumference baseline of 14 $\text{cm}$ (5.5 $\text{in}$), bracelet length of 15 $\text{cm}$ (5.9 $\text{in}$), and fit classification Snug / Compact.

US: 2XL: Corresponds to a wrist circumference baseline of 20.5 $\text{cm}$ (8.1 $\text{in}$), bracelet length of 22.5 $\text{cm}$ (8.9 $\text{in}$), and fit classification Relaxed / Expanded.