Modular, anti-fog goggle system comprising: lens with an anti-fog heating element and electrical contact, a semi-rigid anterior body comprising an inner peripheral engagement receptacle for receiving the lens within the body, the lens being releasably retained by a removable lens retaining member preferably comprising a tongue releasably interconnected with a groove in the body, the anti-fog element on the lens being releasably connected with a battery preferably retained within the body, the releasable electrical connection being reinforced by the tongue and groove interconnection, a flexible posterior interface being adapted for interposition between the removable lens retaining member and a user's face, and strap means adapted for holding the goggle on the user's head or helmet and reinforcing the interconnection between the removable lens retaining member and the body.
