An anti-fog, interchangeable-lens goggle (100", 100"') adapted for use with a battery comprising: a body (102', 102") having a first end, a second end, a flexible posterior portion adapted for engaging a user's face adjacent the user's eyes and having a semi-rigid anterior portion; a lens (104", 104 iii) having a first end, a second end and an anti-fog heating element thereon, said lens adapted for engaging the semi-rigid anterior portion of said body a distance from the user's eyes so as to provide a shield to the eyes; a lens-to-body engagement mechanism to install the lens on the body adapted for electrically interconnecting the anti-fog heating element of said lens with the battery, a part of the lens-to-body engagement mechanism being connected to said body and a part of the lens-to-body engagement mechanism being connected to said lens, said lens-to-body engagement mechanism being operable between first engaged and second disengaged positions, wherein operation of said lens-to-body engagement mechanism to the first engaged position releasably interconnects said lens with the semi-rigid anterior portion of said body and essentially simultaneously releasably electrically interconnects the anti-fog heating element of said lens with the battery, and wherein operating of said lens-to-body engagement mechanism to the second disengaged position removes said lens from the semi-rigid anterior portion of said body and electrically disconnects the anti-fog heating element of said lens from the power source; and strap means having first and second ends, the first end of said strap means interconnected with the first end of said body, and the second end of said strap means interconnected with the second end of said body, said strap means adapted for holding the goggle on one of a user's head and helmet; and further comprising a reinforcing interconnection mechanism (106 ii, 108 i) a part (450, 452, 454) of the reinforcing interconnection mechanism being connected to said body and a part of the reinforcing interconnection mechanism being connected to said lens, for reinforcement of the lens-to-body engagement of said lens and the semi-rigid anterior portion of said body. a body (102', 102") having a first end, a second end, a flexible posterior portion adapted for engaging a user's face adjacent the user's eyes and having a semi-rigid anterior portion; a lens (104", 104 iii) having a first end, a second end and an anti-fog heating element thereon, said lens adapted for engaging the semi-rigid anterior portion of said body a distance from the user's eyes so as to provide a shield to the eyes; a lens-to-body engagement mechanism to install the lens on the body adapted for electrically interconnecting the anti-fog heating element of said lens with the battery, a part of the lens-to-body engagement mechanism being connected to said body and a part of the lens-to-body engagement mechanism being connected to said lens, said lens-to-body engagement mechanism being operable between first engaged and second disengaged positions, wherein operation of said lens-to-body engagement mechanism to the first engaged position releasably interconnects said lens with the semi-rigid anterior portion of said body and essentially simultaneously releasably electrically interconnects the anti-fog heating element of said lens with the battery, and wherein operating of said lens-to-body engagement mechanism to the second disengaged position removes said lens from the semi-rigid anterior portion of said body and electrically disconnects the anti-fog heating element of said lens from the power source; and strap means having first and second ends, the first end of said strap means interconnected with the first end of said body, and the second end of said strap means interconnected with the second end of said body, said strap means adapted for holding the goggle on one of a user's head and helmet; and further comprising a reinforcing interconnection mechanism (106 ii, 108 i) a part (450, 452, 454) of the reinforcing interconnection mechanism being connected to said body and a part of the reinforcing interconnection mechanism being connected to said lens, for reinforcement of the lens-to-body engagement of said lens and the semi-rigid anterior portion of said body.