Robertwrote a review of Black Diamond Half Dome Helmet on September 15, 2015
Familiarity: I've used it once or twice and have initial impressions
I got this helmet for a hike / climb up Mt Ritter in the Sierra Nevada. The hike involved traversing a steep glacier and class 4 climbs with scree and loose rock. A helmet was a must. I picked up the Black Diamond helmet because it was a good price and Black Diamond has a great reputation. The first thing I noticed was that it was light and fit without moving or sliding around. I sweat a lot and I was worried about that. The helmet is well ventilated and I never noticed a problem with excessive sweating. Luckily I didn't have to test out its resistance to rock falls. No rocks hit me. I loved the weight it was so light that I really didn't notice much when it was on my head. Even after hours it never got heavy or felt like it was a burden. Combine that with the great price and this helmet seems to be a great addition to your mountain adventures.