Durable and lightweight: bicycle helmet is made of highdensity imported polycarbonate (PC) + expanded polystyrene (EPS) foam.This special shockresistant material is helpful with CPSC certification to reduce the impact forces of the collision.The robust and durable polycarbonate (PC) case reduces the impact forces of the collision.Ultralight, weighing only 280 grams, less pressure on the neck and head, you won't even feel it on your head.^Rechargeable USB safety light: the builtin rechargeable USB women's bicycle helmet guarantees more visibility and safety protection on the roads of the city.3 lighting modes slow flashing and fast flashing, warns cars to keep their distance.Unlike normal helmet straps, reflective straps are used, which make it safer and brighter when cycling at night.^Removable magnetic visor: the removable magnetic glasses can be used as sunglasses.It not only protects your face from wind and sand, but also blocks the strong ultraviolet light.The men's bicycle helmet has 3 visor positions, one on top, one down, and one without visor, which does not hinder you wearing your own glasses.The package includes a portable helmet backpack that you can carry comfortably.^Improved threeway regulator: The bicycle helmet has an improved, threeway regulator that provides an up and down adjustment function.Equipped with a 360 rotation of the button and adjustable side straps.It consists of two fixed systems that can be adjusted to different head sizes from 60 to 64 cm and are suitable for both men and women, so you can wear the helmet more firmly and comfortably.^Comfortable and cool: The introduction of a special aerodynamic design includes 12 ventilation openings.The MTB bicycle helmet effectively reduces air resistance and reduces sweating, increases speed and stays cool.The removable and washable inner padding can be kept clean and refreshed while riding.