3D construction, give you more breathable space and stays off your mouth. Eco-friendly S.CAFE` fabric, high-density fiber weave is extremely light and breathable. Intended for use in sports by healthy individuals and may help limit the spread of droplets. Used in autumn and winter, withstand the cold wind and directly inhale it, keep warming, providing with the warmest protection when outdoor activities.

*Double layers, can be used with replacement filters
*Adjustable comfort ear loops, can also wear on back of the head
*Reflective Material for enhanced nighttime reflective brightness
*Washable, wicking and fast-drying
*Weight only 7g, free size, unisex
*Not a medical mask

Noted: Mask products belong to "personal hygiene products". Considering hygiene and safety, no return or exchange after sold.