There are a few different versions of the Classics style (Madrona/Headland/Original) lens kits...it's a long story. You need to check the "Lot Code" on your shades to determine which size fits your frame.
Take a look here, what does it say?
Is the number 1906?Click here - (Classic Kit III)
Is the number between 1709 and 2106+ (or higher than 2106)
(*except* for 1906, in which case click above!)
Is the number 1705, lower than 1705 or missing?
(1602, 1604, 1705, rubbed away or doesn't exist)