Mach Sakai goes different for this video as he tests the OneTigris 6" Tactical Foldable Half Face Mask Protective Mesh Mask instead of an airsoft gun. This half face mask has soft padded nylon fabric cheeks and is one size fits most. It is can easily folded and stowed away and is claimed to have passed the ANSI Z80.3 drop ball test with impact resistance of at least 800fps.
In stock right now at Weapon762 is the TMC x Jay Modular Hard Shell Half Face Mask... "This half face mask is the high quality polymer material which can protect from the BBs. It can compatible with most kind of goggles. It has three metal mesh construction which made more breathable. It has foam construction inside that can made more comfortable. You can wear it by mask sling or attach to helmet with helmet adapter.
If you don't mind looking like Hannibal Lecter when looking for a half face mask, then the ARMY FORCE Tactical Half Face Protective Mask available at eHobby Asia should meet your need. It has cushions around around the face area, a metal mesh at the mouth area for easier breathing and it has an adjustable and elastic strap.