Fogging happens when the warm moist air inside the goggle condenses on the cool surface of the inner lens. To prevent this from happening, the Tempest goggle features a state of the art heated inner lens which prevents condensation (fogging) from occurring. The lens is heated by way of an electrical current that travels across the entire surface of the lens and warms the lens up. The goggle contains a small rechargeable battery that provides the heating power.

The Tempest goggle features a USB-C charging port. The USB port is covered with a water tight cap to prevent moisture from entering the goggle electronics. Any conventional USB wall charger rated for 10W or better will work as well as any USB port on a sled or automobile. A four segment LED display indicates the charging progress.

The battery is not removable and must be re-charged using a USB charger and the provided USB-C charging cable.

The runtime between charges will vary heavily depending on a number of factors including airflow, ambient humidity levels, the activity level, perspiration level, and breathing tendencies of the wearer. Riders will typically get between 2 and 3 days of use per charge and even better in some circumstances.

The tempest goggle is fully automatic and will turn itself on and off as needed without user intervention. As such there are no on/off buttons or modes of operation to worry about.

The Tempest Infinity features an infinity (rimless) lens aesthetic and the OG features more of a classic lens frame look. All other aspects of the two styles are identical.

The snowmobile goggles feature a nose guard and modified strap attachment outriggers which most people prefer when using a snowmobile helmet. All other aspects are the same.

Yes. The Infinty and OG lenses are fully interchangeable with all Tempest Snowmobile and Ski chassis.

Click for the lens VLT chart

Note that the VLT (Visible Light Transmission) ratings are the same for both the OG and Infinity style lenses.

Flat light is a common condition in which it becomes very hard to see features on the surface of the snow. This phenomenon presents a challenge to the rider because hazards in the terrain become difficult to identify. The Tempest lenses that perform best in these conditions are the yellow and rose tints. The green mirror lens is also a good choice in that it features a rose tint seen by the wearer.

The most important aspect of goggle storage is to avoid storing it when wet. While storing when wet will not harm the goggle, there is the possibility that the goggle lens heating system will consume power as it attempts to combat humidity. This in turn will consume battery charge. For this reason it's best to avoid storing the goggle in high humidity spaces or in its case when wet.

To clean any of the lens surfaces, it is highly recommended to use a commonly available lens cleaning solution and a soft lens cloth like the one provided with the goggle. Gentle wiping is essential to avoid scratching the lens surfaces.

The Tempest goggle is not an OTG (over the glasses) goggle. To make possible the use of prescription lenses, Tempest Optics has partnered with SportRX to make available a prescription lens insert that fits within the goggle chassis. Be sure to select Tempest as the goggle brand to get the correct insert.

Tempest ships to the USA (excl. Hawaii) and to Canada. Shipping to most places in the United States and Canada is free. Additional "shipping" charges (duties and taxes) will apply to all shipments to Canada and must be paid by the customer.

"Dual Lens" packages and lens/strap combinations are only available as shown in the website store. Additional lenses and straps can be purchased at reasonable prices.

At Tempest Optics, we offer a one year warranty against mechanical and electrical failures. In addition, a goggle can be returned for a full refund if in unused condition and within 30 days of the purchase date. In the case of return, the customer must pay for return shipping given that Tempest pays for initial shipping.