Empire Vents Thermal Goggle Lens - Ninja The Empire E-Flex features a

The Empire E-Flex features a dual pane thermal lens to prevent fogging and give you great vision

Elastic waistband with adjustable drawstring

Flexsoft Ears - For increased comfort

Spherical Lens shape for increased peripheral vision Aftermarket High Definition Refractive Lens for zero glare and reduced UV available in varied colors

Low battery indicator

Empire Vents Thermal Goggle Lens - Ninja The Empire E-Flex features aEmpire Vents Lenses come in different colors so you can customize your mask to meet your individual needs. All lenses in the Avatar, Cylus, Helix, and Empire E Vents range can be swapped easily between models and masks. Get the lens to suit every condition from amber and clear lenses for low light conditions to mirror and ninja lenses for bright sun or under those stadium lights. The Empire Vents Thermal Lenses feature a dual pane lens for Anti Fog.