You can find measurement A/B/C printed on the inside of the temple arm or on the nose pads.
If you already have a pair of glasses that you like, you can compare measurements to see how a certain style of ours will fit you.

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Archive inspiration and design innovation come together in these unisex navigator sunglasses. The timeless, full-rim silhouette is given a modern twist thanks to the metal double bridge and the texturized metal spoilers – a nod to Carrera’s sporting roots. The label’s signature Tank hinges ensure long-lasting comfort, while a variety of UV-protective lenses rounds off this distinctive pair.
Unisex sunglasses with full-rim navigator frames
Palladium-tone metal front and temples, long acetate end tips
Carrera’s flexible Tank hinges, logo lettering on the left lens
Blue polycarbonate lenses with a flash mirrored coating
Can be fitted with prescription lenses
Adjustable silicone nose pads
Come in a complimentary storage case