Petzl Boreo Sizing
| Size | Head Circumference |
|---|---|
| S/M | 48–58 cm |
| M/L | 53–61 cm |
To find your size, measure the circumference of your head about 2.5cm (1 inch) above your eyebrows. If you are between sizes, size up. Note that thick hair, locs, or braids may require the larger size.
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How it works
The Petzl BOREO is a durable, versatile helmet built for climbing, mountaineering, via ferrata, canyoning, and caving. A robust hybrid construction with thick ABS shell and dual EPP/EPS foam liner provides optimal resistance against impacts and scuffs, while a lower back design delivers greater coverage for protection to the side, front, and rear of the head. Ventilation holes keep things comfortable, and the headband folds into the shell for easy storage and transport.
Features
- Robust hybrid construction — thick ABS shell with dual EPP and EPS foam liner for impact and scratch resistance
- Lower back design provides greater coverage for side, front, and rear head protection (Petzl TOP AND SIDE PROTECTION)
- Stable and comfortable fit with interior foam and flexible headband that conforms to head shape
- Ventilation holes for increased air circulation
- Easy fit adjustment with lateral webbing and fully adjustable chinstrap
- Two front clips and rear elastic band for securing a headlamp
- Headband folds into shell for compact storage and transport
- Available in S/M and M/L
Tech Specs
| Certification | CE EN 12492, UKCA, UIAA |
| Construction | ABS shell, EPP + EPS foam liner |
| Sizing | S/M (48–58 cm) / M/L (53–61 cm) |
| Weight | 300g (S/M) / 330g (M/L) |
| Warranty | 3 years |
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