Material: Neoprene
Stars Level: 5 stars level
For People: for most of Men Women Adult teenager
Ages: > 14 years old
Material: Neoprene high quality
Applicable scene: Climb Cycling Walking Ski Motor etc outdoor activities
Head circumference: >70 cm head size
Area covered: Half-covered
Color style: Black& blue
Accessories: 2 filters and 2 valves
Filters include: Activitied carbon system
Valve function: Filter fresh air,output co2
Seasons: Spring Summer Autumn Winter
Quantity: 1 pc per bag
Filter functions: Anti dust smog haze pollution etc.