Durable and very versatile, the Petzl Boreo helmet is suitable for climbing, mountaineering, caving, via ferrata, canyoning... Thanks to its hybrid construction, the helmet is both low-profile and head-covering. Protection against lateral, frontal and rear impact is reinforced. Optimized volume on the head and wide ventilation holes make it a comfortable helmet for all activities. Durable: - hard outer shell is impact and scratch-resistant, for optimal durability - hybrid construction with thick ABS shell, an EPP foam liner and an EPS foam liner makes it compact on the head - soft headband conforms perfectly to the shape of the head and folds into the shell for storage and transportation Designed for optimal protection against side, front and rear impacts: - designed in accordance with Petzls Top and Side Protection label - head-covering shape, lower in the rear, offers enhanced protection - stable and comfortable on the head, thanks to foam liners spread throughout the inner shell Ve