DESIGN & TECHNOLOGY: Designed for children aged 3 - 6 Extra-small fit P-80+ Anti-Fog reduces moisture formation for a crystal clear view Double lens design creates a thermal barrier with an excellent seal to prevent moisture Flow-Tech(R) Venting promotes airflow while reducing potential moisture build-up UV Protection to prevent harmful exposure to UVA/UVB rays up to 400 nanometers Carbo Glas(R) anti-scratch Lens Dimensions: 142mm x 73mm Frame Dimensions: 152mm x 89mm