The patented concept of raked lenses and their special “inverted drop” is developed further here. The lenses are placed as closely , with the further increase in the field of vision taken to the maximum levels possible. The soft silicone skirt has a new profile and a wide sealing ring for excellent grip and unprecedented comfort. The internal volume of the mask is , lower than that of many free diving models and the weight is decidedly low. Two pressure buckles, integrated into the headband, allow for quick and accurate adjustment of the strap.