RUGGED DURABILITY: Built with a thick, hard ABS outer shell that resists scratches and impacts, making it ideal for intensive use in caving, climbing, or canyoning. HYBRID PROTECTION: Features a dual-foam liner (EPP and EPS) encased in the hard shell to absorb shock effectively while keeping the profile compact on the head. ENHANCED COVERAGE: Designed with Petzl's "Top and Side Protection" label, extending lower in the rear to protect against impacts from the side, front, and back. VENTILATED COMFORT: Equipped with large ventilation holes to ensure excellent airflow during strenuous activity, preventing overheating. SECURE FIT: The soft headband conforms perfectly to the shape of the head and folds into the shell for compact storage; includes four clips for attaching a headlamp. The Petzl BOREO is a durable and versatile helmet designed for climbing, mountaineering, caving, via ferrata, and canyoning. Its Hybrid Construction combines a thick, impact-resistant ABS shell with a dual-liner of EPP (expanded polypropylene) and EPS (expanded polystyrene) foam. This design provides a compact fit on the head while ensuring maximum durability against impact and scuffs. Marked with Petzl's TOP AND SIDE PROTECTION label, the BOREO extends lower in the back to provide reinforced coverage against lateral, front, and rear impacts. Specifications: Certifications: CE EN 12492, UKCA, UIAA Construction: Hard ABS Shell + EPP/EPS Liner Ventilation: Large holes for air circulation Headlamp Compatible: 4 clips for secure attachment Warranty: 3 Years