Adult-Men-Women Bike Helmet With Light - Mountain Road Bicycle Helmet With Meet US EU safety standards GROTTICO is a registered brand, which devotes to develop sport protective equipment. We commit to providing safety and comfort for you during outdoor activities. -Integrated rechargeable safety light -In-mold polycarbonate shell with EPS liner -Removable Quick visor -Quick-dry padding -Compact shape -Ventilation: 23 vents -Helmet weight:300g/0.66lb SIZE CHART M : 21.6-22.8 inch / 55-58cm head circumference L : 23-24 inch / 59-61cm head circumference Please make the right size before ordering. WHAT YOU GET 1 x GROTTICO bike helmet 2 x Inner paddings 2 x Different color visors 1 x User guide 1 x Package bag SAFETY - This GROTTICO bike helmet meets US EU cycling standards. ADJUSTABLE DIAL STRAPS - The adjustable fit system for men and women. 2 sizes for choice, suggested head circumference: M (55-58CM), L (59-61CM) INTEGRATED SAFETY REAR LIGHT - Bicycle helmet with USB rechargeable light. Best for night riding with 3 lighting modes, Steady, Flash and Wave. TOUGH LIGHTWEIGHT - In-mold construction fuses a tough polycarbonate outer shell with the impact-absorbing foam liner. The fusion process makes in-mold helmets lighter and cooler than traditional helmets. KEEP YOUR HEAD COOL - 23 vents keep ample ventilation. Provide one more set of helmet replacement inner pads and two different color visors to collocation.