SMITH Elektra goggle comes with PMT(Perforated Membrane Technology) for active ventilation. It filters moisture and snow particles and allows air-flow. Plus, Fog-X anti-fog lens helps prevent fogging. Flexible SmithFlex lens allows goggle frame to fit on any face shape. The double lens builds an insulation barrier that reduces fogging when air changes from cold outside to warm inside or from warm to cold. Compression molded hypoallergenic face foam brings out the comfortable and perfect fit. Hit the snow in SMITH Elektra goggle to boost your sport performance.