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.

Meet US & EU safety standardsGROTTICO 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/0.66lbSIZE 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