Extremely low volume spearfishing and freediving mask with ergonomic great visibility lenses.Made entirely of hypoallergenic silicone fused on a nylon frame, tempered glass lenses fused to the supporting frame.The reduced internal volume facilitates the equalisation phase, the profile that adheres to the face has dimensions calculated so as not to interfere with the visual space.The strap adjustment is simple and intuitive and the strap itself has an ergonomic fit that adapts to the head without creating pressure on the ears.The excellent field of view allows excellent lateral visibility