The Tera is a medium sized frame that fits small to medium sized heads and most head shapes. Sculpted nose pads and arms are designed to provide just the right amount of grip without causing discomfort ensures a comfortable fit in all elements. Fit check: sun shields should fit close to the face without creating pressure. Weight: 26.1 gramsCoverage: Maximum Temple Width: 141 mmBridge Width: 22 mmLens Width: 50 mm Lens Specs: With low VLT (Visual Light Transmission), Tera lenses are polarized, block 100% UVA/UVB/UV400 wavelengths and pass the FDA basic impact test. Eye Coverage: Very Good Lens specs:Gold: Mirror, Slate tint, 11% VLT, Base 4 CurveAlpenglow: Mirror, Slate tint, 11% VLT, Base 4 Curve Core Features: Polarized Lenses Removable Magnetic Sun Shields SuperLight Recycled Frames All-Day Comfortable Fit Lifetime Warranty