Description
- POPULAR DESIGN: Adjustable nose clip and strap to fit more nose and head types, hanging ear design not easy to fall off, quick-drying nylon + spandex fabric
- YOU CAN EVEN WEAR THE GLASSES: One-way valve allow exhaustion of heat and carbon dioxide, providing smooth breathing, which won’t fog up your glasses in sports
- KEEP 99% DUST OUT: With a five-layer filtered activated carbon filter, which can isolate 90% dust, pollen and harmful gas to ensure your safety during the wearing
- MAKE THE SPORTS EASIER: Enhance breathing by simulating a hypoxic environment, less time, more effective, suitable for outdoor sports like cycling, running, training and daily leisure sports in city
- NO NEED TO BUY A NEW ONE: When it gets dirty, you can replace the filter with a new one following the picture instructions and continue using it. The masks can be washed as well if you necessary
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