Seac Extreme is one of the most comfortable and multifaceted Seacsub masks. The Tubing Connected system features buckles on both sides integrated with the mask frame in order to reduce the pressure on the face during the dive. The special high quality hypoallergenic silicone skirt guarantees stability and comfort on every face. The two symmetrical lenses are made of tempered glass and can be replaced with prescription lenses for myopia. This kind of lenses are available from -1.00 to -6.00 diopters, sold separately. Seac Extreme is available in different colors suitable for both scuba and freediving. On the occasion of the 50th anniversary of Seacsub, the Seac Extreme diving mask has also been re-proposed in the special color variants of the early 90s models with the historic SEAC logo on the front. Seac Extreme is sold with a practical transparent hard case Seac Extreme is sold with a practical transparent hard case for storing the mask after use.