Metal frame, anti-reflective lens, polarized.Lens width: 58 millimeters. Lens height: 50 millimeters millimeters. Super lightweight design as thin as a cicada!gentle,floating and smooth tactility on your face! gives you extreme enjoyable stress-free wearing experience which ensuring that you will be able to enjoy the sunshine sweetly through all seasons. Different color to switch, embrace your fresh mood everyday, excellent choice for outdoor activities.