Freedom of motion through simplicity and innovation.The m2.5 mask is unparalleled in its class.It’s lightweight and slim design features a full mesh main body construction, resulting in improved airflow and breathability to seamlessly integrate into any user’s job or adventure.Dominating protection and performance through its 99.9% replaceable active carbon filter.The m2.5 is your lightweight air filtration mask, ideal for those who stay in motion.