Product information: Color: Black Material: polyester Suitable for head circumference: 54-58cm Features: breathable, anti-UV 40, anti-dust, sweat absorptionApplicable environment: cycling, running, mountaineering, hiking, etc. Packing list: 1 * bike mask 1.High quality fabrics: Professional Blcool material, excellent performance for breathability, absorbency, moisture transport, durability and abrasion resistance. Very soft. Wrinkle-free. Light. Stay warm and dry. 2.Suitable for skiing, snowboarding, motorcycling, running, trekking, mountaineering, hunting, etc. 3. Free size fits most: elastic design Suitable for women, men and children. 4. Multifunctional: Can be used as a face mask, head cover, dust mask, scarf, headscarf 5. Outstanding protection all year round: Ultimate protection against cold, wind, dust, sun, UV rays, both in summer and in winter