PETZL Womens Elia Helmet Specifically sized for women (52-58 cm headband) Patented OMEGA system is compatible with ponytails, height is adjustable by increments Headband can be adjusted with two lateral buttons to obtain precise and comfortable positioning of the OMEGA system Injection molded ABS shell is both lightweight and durable Certification(s): CE EN 12492, UIAA 106; Weight: 285 g