UShake Ski Goggles, Snow Goggles, Snowboard Goggles with Matte Anti-Fog Anti-Scratch 100% UV Protection Lens TPU Frame REVO GOLD Lens Only REVO GOLD Lens Only REVO GOLD Lens Only REVO GOLD Lens Only REVO GOLD Lens Only <u>TPU flexible frame</u> is adopt to any face for a comfortable fit Dual lenses with anti-fog and anti-scratch protection 100 per cent UV protection <u>Triple-layer face foam</u> featuring moisture-wicking Dri-Force fleece Easy fit strap adjustment system(Max Length: 70cm) Dual-adjustment, premium nylon strap Material: TPU Color: Red, Blue, Black for options Material: polyethylene Thickness: 15mm Material: PC Flat or Spherical: Cylindrical Color: Golden, Blue, Red, Silver colors Vents: yes Anti-UV: 100 per cent Anti-Scratch: yes Anti-Fog: yes <span class="a-text-italic">S4</span>: VLT 0-8%   -for sunny day with strong sunshine surroundings. <span class="a-text-italic">S3</span>: VLT 8-18%  -for sunny to partly cloudy day surroundings. <span class="a-text-italic">S2</span>: VLT 18-42% -for overcast, cloudy,foggy day surroundings. <span class="a-text-italic">S1</span>: VLT 42-79% -for low light surroundings. Please avoid to touch the glass surface directly as it may get dirty. Please do not bend it too many times to avoid scratches on the frame. After using, put goggle at place in good ventilation for dismissing the sweat. Do not scrub the goggles frequently which may reduce the effectiveness of anti-fog film specifically the inner glass.