New 3M FR-M40 Gas Mask Packaging:New In Box Built-in blousing ties at bottom

Built-in blousing ties at bottom of pant leg

That's right

riot control

We can't guarantee their performance beyond that of "costume" usage

this is seriously one of the coolest parts of the entire extended cold weather clothing system

New 3M FR-M40 Gas Mask Packaging:New In Box Built-in blousing ties at bottomThe M40 gas mask was designed as a direct follow up to the M17 that had been in service for nearly 30 years. The M17s were uncomfortable, cumbersome, and didn't have the greatest seal design. It was time for a replacement. In 1984, the U. S. army began designing an entirely new mask that wouldn't have these problems. Several experimental versions were deployed but not until after the gulf war, where finally the M40 took the place of the M17 for future