Ison

Features:
Air Flow: Venting incorporated into the frame for good air circulation to prevent formation of fogging.
Anti-fog Coating: The inner surface of the lens has an additional anti-fog coating.
Minimalist Frame: Super-slim frame to give extra-wide field of vision from every angle. The skier's view is completely clear both laterally and vertically.
Overstrap: Offset strap for compatibility with all types of helmet.
Soft Foam: Single density foam

Specifications: 
Lens Height (mm): 90
Lens Size (mm): 165
Weight (g): 80

Polycarbonate Lenses (Spectron): Polycarbonate lenses are impact-resistant and of good optical quality, offering protection adapted to winter and outdoor sports.

Cat. 1 polycarbonate double lens (visible light transmission rate: 49%) - Suitable for low light conditions or protection in summer sports such as mountain biking. Anti-fog coating.
Cat. 2 polycarbonate single or double lens (visible light transmission rate: 25%) - For use in mid-range light conditions and/or whiteout days. Anti-fog coating.
Cat. 3 polycarbonate lens (visible light transmission rate: 13%) - Suitable for use in moderate to full sun, or in all outdoor activities in good conditions. Anti-fog coating.