Ultra-light super comfortable climbing helmet from Black Diamond. The Polycarbonate shell was made with carbon fiber and Kevlar reinforcements being tough - high tech pure! In addition to carbon and Kevlar is also used EPS foam, which ensures optimum protection and ultra-low weight. This helmet is ideal for climbing and everywhere where every gram counts. The herrovragende airflow none and thanks to a ratcheting adjustment system of the helmet can be adapted to the head shape of the wearer simply and accurately, so that the helmet provides optimal fit, even on long trips. Not cheap but worth every penny.