Embark on an unparalleled underwater adventure with the Tidal Freedive Mask designed for passionate freedivers and spearfishermen. Combining advanced technology with ergonomic design this mask is your perfect companion for exploring the depths. The Tidal Freedive Mask comes fully equipped with the most advanced anti-fog technology available. The inside lens has an anti-fog coating that protects against fogging for at least 6 months depending on use & care.