The M-28’s unique 2-window design offers exceptional visibility and low-volume comfort while incorporating our patented 3-D Strap and Round Edge skirt technologies. A newly designed skirt mounted Quick-Adjust Buckle System further enhances comfort and ease of fit. 

Additionally, the Geminus accepts MC-7500 corrective lenses for an easy transition to a corrective lens mask.  Simply, the Geminus leads where others will follow.