Defy SnowHelmets our AirEvac™ ventilation system prevents

our AirEvac™ ventilation system prevents them from fogging up

Smith helmet bag included

Protection

They combine the unmatched peripheral range of our BirdsEye Vision™ lens with an oversize XL frame and the terrain boosting optics of ChromaPop™

Knowledge Turbo Fan & OTG

Defy SnowHelmets our AirEvac™ ventilation system preventsDescription Whether you're running, rolling or sliding, a crisp view of the terrain translates to full speed ahead fun. The Smith Defy sunglasses double down with a lightweight, rimless design and terrain defining ChromaPop optics for unobstructed, high contrast vision. Whether you're on the move in the hills or simply taking in the view from the back deck, an interchangeable lens lets you match the light conditions. Product Details Vision ChromaPop