TAILLIGHT: No COLOR: Red, White, Blue, Blue-green, Black-pink, Black-blue, Gold, Matt Black, Blue-blue, Green, Colorful, Starry blue, Black-red, Black-gold SIZE: M. HELMET PEAK: No SMART: No HEAD CIRCUMFERENCE: 54-60 cm HELMET INNER SIZE: ABOUT 22.5*17.5*15.5 cm WEIGHT: about 300g VISOR: No Tips Multi Position Design: For optimal aerodynamics regardless of the head tilt. Forced Air Cooling Technology: Well thought-out ventilation system for optimal head climate. Straps: Aerodynamic, flutter-free and skin-friendly thanks to a specially developed belt profile. Adjustable: Finely adjustable adjustment system with easy-grip adjustment wheel for an individual fit. AirPort: Aerodynamic glasses holder with bracket guide. Multi Shell In Mold: For safe shock absorption. Ponytail : Helmet well suited for braid wearers. Buy 1 helmet ，gift 1 okl glasses ! From now on, buy a helmet ，gift a glasses ! Because the number of gifts is limited, first come first served, give stocks last. (The glasses color are randomly sent.)（The model with goggles does not participate in this event.） New Style Cycling Helmet Men/women Bicycle Helmet Mountain Road Bike Helmet Outdoor Sports Capacete Ciclismo Game helmet Changer Product: bike helmet Material:PC+EPS (Imported) Advantage:Ultral Light And More Comfortable Weight: about 300g Size:M 54-60cm