Stainless steel aviator model. Stainless steel logo temples. Shockproof polycarbonate lenses, not too curved or close-fitting to allow for more space between the face and the front part of the frame. Lens diameter: 57 mm. / 2.24 in. Bridge: 14 mm. / 0.55 in. Temple length: 145 mm. / 5.71 in. Black variant: black frame/lenses: grey gradient. Brown variant: dark brown frame/lenses: brown gradient. Green variant: green frame/lenses: green gradient. N.B.: all the lens types offer 100% UVA and UVB protection, high transparency and excellent shock resistance.