ROCKBROS Sport Outdoor Bike Cycling Breathable Waterproof PM 2.5 Protection Mask Anti Dust Velo Mask

Specifications:
Brand: ROCKBROS

Material: Polyester 
Color: As the pictues
Weight: About 22g
Waterproof: Yes

Features:

Ear hanging mask, a double defensive structure,
5 layers of activated carbon inside, effectively blocking small particles of pollutants.

Sports mask can be adjusted at any size.

Package included:
1x Cycling Mask