Designed with comfort and functionality in mind, you can capture an outstanding view on the peaks when you sport the Bolle Freeze Ski Goggle. Engineered venting system promotes directional airflow across the inside surface of the lens, reducing the potential for moisture build-up and maintaining your pristine vision Creation of a dual-pane thermal barrier between the cold dry outside air and the moisture generated by intense activity prevents distracting condensation from forming Anti-fog treatment repels the fog that clouds your vision but is simply revived by an application of moisture Dual layer foam provides a plush, comfortable fit against your face Seamless compatibility with Bolle helmets Bolle lens block harmful UVA/UVB rays up to 400 nanometers