When choosing a mask, fit and field of vision come first. The M-4 gives you the best of both worlds, fitting a wide variety of faces and offering superior peripheral and vertical vision. It is low profile, stows easy and carries an excellent value.
Frameless silicon skirt
Rugged mask box and adjustable mask strap included
Increased vision and low volume
1 Lens, Frameless
Use spaces to separate tags. Use single quotes (') for phrases.