Europe Size 20 to US: L
Cross-market adult bracelet and cuff apparel conversion mapping 20 specifications into L.

Analyzing Size Equivalence Across Markets
Europe Size 20: Corresponds to a wrist circumference baseline of 19 (7.5 ), bracelet length of 21 (8.3 ), and fit classification Relaxed / Expanded.
US: L: Corresponds to a wrist circumference baseline of 17.5 (6.9 ), bracelet length of 19.5 (7.7 ), and fit classification Standard / Regular.