Square metal model with plastic top part. Metal 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: 55 mm. / 2.17 in. Bridge: 18 mm. / 0.71 in. Temple length: 135 mm. / 5.31 in. Black variant: black frame/lenses: mirror grey. Brown variant: brown frame/lenses: brown mirror. N.B.: all the lens types offer 100% UVA and UVB protection, high transparency and excellent shock resistance.