Aqua Lung Impression MaskOur Impression is first. Using Micromask technology, the Impression's lens, skirt, and frame are molded together simultaneously, rather than as separate pieces that require seams and add bulk. This results in lenses that are closer to the eyes so that you get incredibly low internal volume, a low profile, and increased peripheral vision. Features: Patented Micromask Technology. The use of a single piece lens, skirt, and frame allows the lenses to be