Aqua Lung Micromask XThe Micromask X features a revolutionary design that positions the lenses within your ocular orbit (the natural facial recesses of the eyes). This results in significantly improved peripheral vision and an incredibly low internal volume. Plus, patented Micromask technology reduces frame bulk for a low profile with reduced drag. Patented Micromask Technology: The use of a single piece lens, skirt, and frame allows the lenses to be placed close to the