Polarized Lenses enhance contrast by reducing glare on the lens • UV400 Protection blocks 99.9% of UVA/UVB rays • Dual Anti-Scratch Coating for long-lasting protection • Spring Hinges for a durable, comfortable fit • Polycarbonate Frame is super-strong and ultra-lightweight—built to keep up with any lifestyle Measurements: Frame Width 136 mm (5.4 in) Eye Size 49 mm (1.9 in) Temple Length 145 mm (5.7 in) Frame Height 50 mm (1.9 in) Nose Bridge 21 mm (0.9 in) Optical Fit 49-21-145