With an ultralight and compact design, the 345 gram Black Diamond Half Dome helmet is comfortable and unobtrusive. This cool looking, low-profile helmet combines a rigid shell, EPS liner and a webbing suspension system. Without obscuring your vision, the sculpted shell offers optimal head coverage and protection. The suspension system is comfortable and contributes to good ventilation by allowing heat to escape. The Half Dome is an excellent defense from impact and can handle the abuses of ice and rock climbing. CE-certified. Features: Ultralight (weighing 345 g) and tough Rigid shell to protect from falling objects Low profile doesn't obscure vision Ample breathability from suspension system