EYEOLOGY INTERCHANGEABLE LENS MULTIFUNCTIONAL PILOT AVIATOR SUNGLASSES SYSTEM metal frame interchangeable lens Polarized Lens width: 65 millimeters Lens height: 45 millimeters Bridge: 20 millimeters Arm: 120 millimeters 6 Interchangeable lens included: polarized (cellulose triacetate lens), faded smoke (shatterproof polycarbonate lens), silver mirror (shatterproof polycarbonate lens), bluetech (shatterproof polycarbonate lens), day driving copper (shatterproof polycarbonate lens), night driving yellow (shatterproof polycarbonate lens) Blocks 100% harmful uva & uvb rays Easy to switch lenses in and out Flexible reinforced spring metal hinges One size fits all - frame width 5.6" / Temple width 4.9" / Bridge width 0.79" / Lens width 2.64" / Lens height 1.81"