1. Balaclava material: Fleece lining and high-density composite sponge make the mask warm, windproof and breathable. High-density composite sponge has a certain waterproof function. It fits the ears and nose while maintaining partial coverage of the neck. All-round wrap-around protection, breathable and comfortable sports fabric, refreshing sweat absorption, no need to worry about sweat residue.2. Unique design: The plastic nose clip has a certain function of fixing the mask, the double valve makes breathing more comfortable, effectively prevents fogging of glasses, and has a clear vision during exercise. Face shields are more suitable for teenagers and women. One size fits most dustproof and windproof half masks. Easy to adjust how tight you want to wear the mask.3.Multifunctional: This balaclava face mask is suitable for winter camping, hiking, hunting, ice fishing, walking, climbing, running, cycling, skiing, snowboarding and motorcycles. , riding motorcycles or shoveling snow on lanes, shoveling snow, working outdoors, going out in extremely cold weather, or doing other outdoor sports and activities. Great winter gift for friends, family, students, outdoor workers and outdoor enthusiasts!4.Package content: The package includes an activated carbon mask, two valves and a filter for easy replacement. They are easy to clean and wipe when they get dirty. The filter can be cleaned 8-10 times.Material: Fleece lining and high-density composite sponge make the mask warm, windproof and breathable. High-density composite sponge has a certain waterproof function. It fits the ears and nose while maintaining partial coverage of the neck. All-round surround protection, breathable and comfortable sports fabric, refreshing sweat absorption, no need to worry about sweat residue. 2. Unique design: The plastic nose clip has a certain function of fixing the mask, the double valve makes breathing more comfortable, effectively prevents fogging of glasses, and has a clear vision during exercise. Face shields are more suitable for teenagers and women. One size fits most dustproof and windproof half masks. Easy to adjust how tight you want to wear the mask. 3. Multifunctional: This balaclava face mask is suitable for winter camping, hiking, hunting, ice fishing, hiking, climbing, running, cycling, skiing, snowboarding, motorcycles, riding motorcycles or snow removal lanes, shoveling snow, working outdoors, going out in extremely cold weather or other outdoor sports and activities. 4. Package contents: The package includes an activated carbon mask, two valves and a filter for easy replacement. They are easy to clean and wipe when they get dirty. The filter can be cleaned 8-10 times. Great winter gift for friends, family, students, outdoor workers and outdoor enthusiasts!