<b>Meet US & EU safety standards</b> <p> <b>GROTTICO</b> is a registered brand, which devotes to develop sport protective equipment.<br> We commit to providing safety and comfort for you during outdoor activities.<p> -Integrated rechargeable safety light<br> -In-mold polycarbonate shell with EPS liner<br> -Removable Quick visor<br> -Quick-dry padding<br> -Compact shape<br> -Ventilation: 23 vents<br> -Helmet weight:300g/0.66lb<p> <b>SIZE CHART</b> <br> M : 21.6-22.8 inch / 55-58cm head circumference<br> L : 23-24 inch / 59-61cm head circumference<br> Please make the right size before ordering.<p> <b>WHAT YOU GET</b><br> 1 x GROTTICO bike helmet<br> 2 x Inner paddings<br> 2 x Different color visors<br> 1 x User guide<br> 1 x Package bag<br>