HONGZHESHEN Breathing Mask City Cycling Mask Sports Face Mask Workout Mask，Mouth-Muffle Dust Mask，cycling masks (black)[Product Information]- Active Carbon Filters Isolate 99-percent of Dust， Chemicals， Fumes And Particulates. Carbon fiber replaceable filters.HEPA filter dust.For hygenic reasons， this product is non returnable.
- Diving suit fabric Very elastic，Velcro suitable for most people size can be adjusted to meet the most head。Suitable For Running ， Cycling ， Hiking ， Skiing And Other Outdoor Activities.
- Unique ventilation design， a plurality of holes， excellent permeability， Exhale，the valve is opened without resistance，double air breathing valve， air resistance is smaller，smooth breathing， Perfect for spring， summer， autumn and winter wear
- According to the person face design， keep out the bridge of the nose the following part， Using Upgrade PVC memory reset nose pads， Arbitrary break constantly， without distortion， Effective fixed，to prevent the slide
