This mask has a single lens, and is designed for
snorkelling, swimming and scuba diving.
The skirt is made from soft hypoallergenic transparent or black
(Sirena Dark) silicone.
The visibility provided by the single lens and the unusual shape of the frame
extends in all directions.
Excellent seal on most face types, thanks to the internal
seal ring housing Average internal volume.
It has quick-release strap buckles.