Step 2. Convert the measurement to recommended solos smartglasses frame size below.
Size S/M -
Argon 3, Argon 4, Argon 6, Neon S, Neon 1, Neon 2, Xeon 1, Xeon 2, Xeon 3, Xeon 4
Size M/L -
Argon 1, Argon 2, Argon 3, Neon S, Neon 1, Neon 2, Xeon 1, Xeon 2, Xeon 3, Xeon 4