Protects your mouth and your nose from harmful dust as you head down the trail. Sewn in
interior filter blocks 99.5% of all dust particulates. Two one-way exhaust valves which reduces
lens fogging, releases heat, CO2, and water vapor. Patent pending 3D Nosebox and upgraded
nose clip. Comfortable for most men, women, and children. Universal size accommodates neck
sizes up to 18".Helmet and goggles compatiable. Washable and reusable.