"SUPERIOR DESIGN, SAVE YOUR LIFE: The bicycle helmet features a hard and durable outer shell, and a soft seat cushion can absorb the pressure caused by external shocks. Adults will feel safer and more comfortable wearing bicycle helmets. Cool Magnetic Sunshade PLATE]]: Magnetically connected face shield provides wrap-around goggles to help protect eyes from wind and sun. Magnetic goggles can be easily mounted on helmets and easily removed.Super Comfortable, Breathable 9 Holes:Streamlined Design, The bike helmet features an aerodynamic design and dedicated ventilation to allow air to pass through the bike helmet, helping to increase speed and keep you cool and comfortable.Adjustable Size Features- Men's Bike Helmet, Adjustable Dual Fit Design, Bicycle Helmet Back of the Helmet Adjustment buttons and side straps adjust the size to fit different head circumferences 56cm-62cm/22.04'' - 24.41'' (not suitable for tall people). Please measure the circumference above your eyebrows with a tape measure or string to get your head size and make the correct purchase. If you have any questions, please feel free to contact us and we will respond within 24 hours."