Roll off function
To clear an obstructed view, rider pulls cord to bring a new strip of film across the lens. Used film is wound up in left canister to be disposed of after use.
Altering the geometry of the goggle by extending the lens over the bridge of the nose produced a significant increase in field of vision compared to the average goggle and roll off system on the market.
Estimations were derived through communications and purchases from material producers, manufacturers, and shipping services.