【Cycling Dust Mask】This mask designed with unique breath system for better personal protection. Outer mesh mask shell enhance breathability plus inner replaceable filter, which can blocks pollution like: exhaust fume, smog, pollen, dust etc.

【Five Layers of Filter Structure】Breathing face mask include one filter, which has 5 layers provide professional filtration. The first layer blocks large particles, the second activated carbon filter layer filter benzene, car exhaust. The third and fourth layer filter 0.03-0.3 microns of dust and particles. The fifth non-woven layer comfortable and breathable.

【Reduce Overheating & Fogging】 Dual one-way Breathing valves allow exhaustion of heat and carbon dioxide easily, provide smooth breathing, prevent fogging and overheating exceptionally well. Designed with neoprene structure, makes it well-ventilated, breathable and quick drying. Useful for those who need to wear the mask for hours at a time. Please replace the filter every 25-30 hours if the mask is used extensively in heavy dusty operations, such as grain bins, construction/demolition, etc.

【Double Strapping System】This reusable mask is also designed well because it uses both a loop astrapping behind the head, so there is no need to consistently readjust the mask or have it slip. The durable design ensure a comfortable and firm fit and prevents dust and other contaminants from penetrating the mask.

【Multiple Applications】 Can be used for different purposes, from mowing to running, cycling, hiking, skiing and other outdoor activities in extremely cold climates (if you have sensitivities to the cold when exercising). It works in filtering allergenic pollen. Besides, If you live in an area prone to forest fires, this dust mask can protect you from the smoke and ash. Lightweight design allows for more comfortable use.