Head Circumference：54-58cm. Unisex Universal Balaclava.Easy to wear. One size fits most people.
Warm. Lycra & Polar Fleece material soft hat solid modelling in line with the structure of human head.
Wind resistant.Full face and neck coverage design protect you from extreme cold wind dust.
Removable masks velcro design 58 breathable holes PM2.5 filter can be built in.
Perfect for cycling camping hiking snowboarding skiing fishing and other outdoor activities in cold weather.