US: L to Europe Size 54-20-145
Cross-market adult eyewear and optical frame apparel conversion mapping L specifications into 54-20-145.

Analyzing Size Equivalence Across Markets
US: L: Corresponds to a lens width baseline of 54 (2.13 ), bridge width of 20 , temple arm length of 145 , and fit classification Wide / Large Frame.
Europe Size 54-20-145: Corresponds to a lens width baseline of 54 (2.13 ), bridge width of 20 , temple arm length of 145 , and fit classification Wide / Large Frame.