DAYGOCAGA devotes to develop sport protective equipment. We commit to providing safety and comfort for you during outdoor activities. DAYGOCAGA bike helmet great for mountain, road, Bicycle. The reasons for you to consider our Bike Helmet... ·IP68 waterproof led tail light, can work for 8 hours on a full charge ·High density PC shell and EPS foam that makes this bicycle helmet absorb the impact force in the crash and keep your head safe ·Removable inner pad for easy cleaning and cleaning ·Classic low profile design, classic lightweight design in matte colors with modern features ·Equipped with 18 air vents that will keep you cool and comfortable for hours of riding ·Adjustable dial & straps, good for urban commutin, bike cycling 【Feature】： ·Material: Reinforced PC shell & shock - absorbing EPC core; ·Colors: Matte Black, Matte Mint, Matte Blue, Alpine Green, Matte Purple; ·Size chart: M/L(21.6"-23.6"/55-60cm); ·Helmet weight:300g/0.66lb 【Package included】: ·1 x DAYGOCAGA bike helmet, 1 x Inner padding, 1 x Detachable taillights, 1 x USB charging cable, 1 x User guide, 1 x Package bag ATTENTION: Please make the right size before ordering! Enjoy your outdoor time！:D