ROCKBROS Winter Scarf Mask Windproof Warm Riding Headgear Outdoor Riding Skiing Running Sports Training Scarf

Specifications BrandROCKBROSProduct NameWinter Scarf MaskSizeOne sizeWeightAbout 112gMaterialPolyester rocking velvet liningFeaturesThickening warm with breathing valve built in filterFeatures 1 ULTIMATE PROTECTION from cold wind dust 2 Very Soft Wrinkle Free Lightweight Stay warm and dry 3 Longer neck and extra long in front for better wind and cold protection improved cut and different sewing angle for better fit on your head These small details make all the difference 4 ONE SIZE FITS MOST Can be worn on its own or under any kind of helmet 5 Provides superior breathability absorbency perspiration durability and abrasion resistance 6 SUPER COMFORTABLE Wear Them While Skiing Motorcycling Running Biking Trekking Mountain Climbing Snowboarding Airsoft paintball Hunting Tactical training Cycling and other outdoor activities Filter replacement method1 Find the breathing valve2 Select the breathing valve and remove the cartridge3 Replace the cartridge4 Install the breathing valve to fix the cartridgeCartridge layer The first layer breathable shaping layer fitting the contour of the face and blocking larger particles The second layer activated carbon filter layer adsorption of chemical pollution in the air The third layer spray lint cotton auxiliary filter harmful substances filter smaller 030 microns of dust The fourth layer spray lint cotton to strengthen the layer to strengthen the filtration of 0 03 micron PM2 5 particles Fifth layer non wo