Promate Spectrum Junior Scuba Dive Prescription Snorkeling RX Mask - MK298 RX

The Spectrum Junior is a stylish and sleek low profile mask with soft and supple silicone and a broad field of vision. Extremely comfortable supple silicone helps reduce discomfort when the mask seals to your face. Fits juniors and children's faces. Also suitable for slender individuals that cannot fit an adult size mask. Skirt size: Width 3 3/4" by Height 3" Soft supple silicone skirt Low volume design makes it easy to clear and equalize Fits a wide range of facial shapes and profiles, especially narrower faces Easy adjustments with push button buckles Tempered glass lenses Optical Corrective Lenses from -1.0 to -10.0 for nearsightedness (myopia) Optical corrective lenses from +1.0 to +4.5 for farsightedness (hyperopia) Additional Bifocal option coming soon for an additional $50. How to measure your face to see if this mask fit you.If you look in the description there is a face seal size. You would need to measure the width and height of your face. Width is from one outer corner