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Updated
Pros
  • Lightweight
  • Comfortable fit
  • Durable
  • Headlamp clips included
  • Excellent coverage
  • Comfortable
  • Durable
  • Good ventilation
Cons
  • Limited ventilation
  • May feel bulky for some
  • Slightly heavier
  • Limited color options
Bottom Line
The Black Diamond Half Dome Helmet is designed for all-around climbing. It's lightweight yet durable, with a hybrid construction featuring a molded EPS foam interior and a durable shell. This helmet provides reliable protection without compromising comfort.
The Petzl Boreo Helmet offers excellent protection and comfort with its robust design. It features a hybrid construction with reinforced protection at the sides, top, and rear, making it suitable for various climbing disciplines.
Weight
330 grams
285 grams
Material
EPS foam, polycarbonate shell
ABS shell, EPP foam
Size Range
S/M, M/L
S/M, M/L
Weight
0.725 pounds
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Part Number
620209
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When it comes to climbing, having the right gear is essential for safety and performance. Two popular options for climbers are the Black Diamond Half Dome and the Petzl Boreo, both of which are high-quality climbing helmets designed to protect the head from impact and provide a comfortable fit.

In this comparison, we'll delve into the features, design, and functionality of these two climbing helmets, exploring their similarities and differences to help you make an informed decision.

Design and Construction

The Black Diamond Half Dome is a classic climbing helmet that has been a staple in the industry for years. Its durable ABS shell provides excellent protection against impact, while its EPS foam liner absorbs shock and distributes force evenly. The Half Dome features a simple, no-frills design with a focus on functionality and durability.

On the other hand, the Petzl Boreo boasts a more modern and sleek design, with a lightweight and ventilated shell that provides excellent airflow and comfort. Its ABS shell is also durable and resistant to impact, while its EPP foam liner offers superior shock absorption and protection.

Weight and Comfort

One of the key differences between these two climbing helmets is their weight. The Petzl Boreo weighs in at a mere 240 grams, making it one of the lightest climbing helmets on the market. In contrast, the Black Diamond Half Dome tips the scales at around 310 grams, which is still relatively lightweight but noticeably heavier than the Boreo.

In terms of comfort, both helmets excel, with adjustable chin straps and headbands that allow for a customizable fit. However, the Petzl Boreo's more ventilated design and lighter weight make it a better choice for warm weather climbing or long, grueling routes.

Safety Features

Both the Black Diamond Half Dome and the Petzl Boreo meet or exceed UIAA (Union of International Alpine Associations) safety standards for climbing helmets. They feature sturdy chin straps and secure headbands to prevent the helmet from shifting or coming off during a fall.

The Petzl Boreo also features a unique "Top and Face" protection system, which provides additional coverage for the top and front of the head. This feature sets it apart from other climbing helmets on the market and makes it an excellent choice for climbers who need extra protection.

Conclusion

Ultimately, the choice between the Black Diamond Half Dome and the Petzl Boreo will depend on your specific needs and preferences as a climber. If you're looking for a lightweight, ventilated helmet with advanced safety features, the Petzl Boreo may be the better choice. On the other hand, if you prioritize durability and a classic design, the Black Diamond Half Dome is an excellent option.

As climbing helmets go, both of these models are top-notch choices that offer excellent protection and performance. Whether you're a seasoned pro or just starting out, investing in a high-quality helmet like one of these two options will give you peace of mind and help you climb with confidence.