Constructed of a soft BREEZE material that allows you to breathe freely, yet it has a superior filtration of 99% filtration at 0.1 micron. Although the industry standard for differential pressure is 2.2 P, EasyBreathe boasts a P of 0.57 up to 250% more breathability than standard face masks. You can now breathe more easily without compromising safety. ComFit face masks are hypoallergenic and latex free, and have soft tissue facing.- Mask, Tie-On, Blue, 40/bx