WEST BIKING Summer Sports Scarf Cycling Headwear Dust-proof Cycling Ear-hanging Mask

Features:
With activated carbon filter, effectively prevents harmful substances from entering the nose.
Made of ice silks fabric, cool and breathable, UV resistant.
Hanging ear elastic rope, not easy to fall off.
4-layer purifications waves piece, each place intercepts different harmful substance.
Level 1: Breathable molding layer: Block larger particles.
Level 2: Activated carbon layer: Adsorption of chemical pollution improve wearing hygiene.
Level 3: Sprayed cotton: Filters smaller 0.30 micron dust.
Level 4: Non-woven: Comfortable and breathable.
The design of the widened nose bridges can adjust the fit according to the nose shape.