Specifications: Adjustable elastic headband, suitable for all kinds of facial needs. Wide screen view,can block strong winds, snow, fog and light. Clear vision, anti-fog, prevent cold wind from stimul more→ating your eyes. After prevention of falls,goggles can damage the face. Headband with adjustable button. Ergonomic design,clearance ventilation, excellent flexibility. Item Name: Motorcycle Glasses Lens Material: Resin Frame Material: PC (Polycarbonate) Inside Frame Material: Sponge Total Width: 18cm(Approx.) Lens Width: 6.2cm(Approx.) Lens Height: 3.3cm(Approx.) Nose Spacing: 3.5cm(Approx.) Elastic Band Length: 20cm - 37cm- 14.57" (Approx.) Notes: Due to the light and screen setting