Problue Vision Plus 3 Mask

-Extremely light 3 windows mask has a front lens and side view lens with edgeless connection to provide a panoramic view.-Unique flexible buckle attachment swivels with facial movements & absorb shock, preventing buckle breakage when mask is bumped.-Patented push-button buckles allow easy, quick strap adjustment.-Crystal silicone facial mask skirt for comfort fitting.-Anti-fog technology mask. ( AFT mask )