Bollé Sierra, Blue Tie Dye Mat, Bronze Blue, Small Medium, Feminine, Adult

[Lens Technology & Category: SLF Cat. 3] Protective glass for sunny to slightly cloudy days Superior Light Filter (SLF) polycarbonate glass for sunny to partially cloudy conditions ensures 100% UV protection. [Lens features: anti-fog coating, anti-scratch coating, double lens] Clear vision thanks to scratch resistance and anti-fog. The double lens construction creates an insulating layer that reduces condensation and fog. Coatings ensure that fogging is reduced to a minimum and the windscreen surface remains in the best condition. Ventilation system: flow tech ventilation and ventilated lens: ventilated frame and lenses to prevent fogging ventilation openings on the outside of the glasses frame and on the glass allow air to enter and exit, which increases comfort and reduces the formation of fog. [Frame technology: not applicable] Surface: double density face foam: face foam with fleece for more comfort. The face foam is laminated with a soft fleece that feels comfortable on the face and provides better moisture management and comfort.