Shock Resistance: The outer PC shell is combined with the high density EPS foam material inside the MOON bike to effectively withstand impacts and protect the head in a crash.Lightweight: The bicycle helmet weighs 220g, which is friendly to wear, easy to carry, and less stress on the neck and head. You can take this bike helmet on long trips with no burden at all.EXCELLENT VENTILATION: Aerodynamic and ventilated design, with 25 vents, the bike helmet reduces air resistance and keeps you cool during the ride. The inner lining is made of breathable material for 360 comfort and is removable for cleaning.Removable Visor: The bicycle helmet visor can be quickly removed for easy selection between road and mountain styles, helping to protect the rider's eyes from sun, wind, rain and tree branches.Packing list: 1 bicycle helmet