Easy-adjust buckles are attached directly to the mask skirt for a better, more comfortable seal (non-purge model)
The single lens provides an unobstructed field of view 
Fog resistant coating
Plastic box with lid included
RayBlocker-HD coatings allow almost 100% light passage which provides higher definition (HD) vision underwater.
Light entering the lens is refined by Sharper Image Technology, a RayBlocker exclusive, for a brighter, sharper image.
Reduces harmful UV rays and glare.
Inside coating is a blue tint that reduces eye strain for very comfortable viewing.