Product details:

Ignite heated dual lens technology Sonic welded, IP57 rated water & dust resistant power pack Thermal Conductive Transparent ITO (Indium Tin Oxide) heated lens Strap mounted rechargeable lightweight 7.4v, 2200mAh lithium-ion power pack Single button ignition: Auto 120 second mode & Always On mode The 509 Sinister XL6 Ignite Goggle is the absolute peak of performance, combining heated lens technology with our largest field of view and added foam coverage for powering through the coldest conditions. At the push of a button, 509 Ignite technology heats the entire inner lens surface to 104°F. The lightweight and rechargeable strap-mounted system features two modes and up to 5 hours of continuous runtime at max temp for fog-free vision all day.