Boreo Climbing Helmet Size:M/L and the back spool rim

and the back spool rim has a generous 1/8

while the Fortified Resin System blank curing provides unparalleled strength and durability

Lightweight yet super cozy

Fully under wrapped guides on stand-up models are wear proof

Main Compartment features a drawstring closure to adjust and maximize storage

Boreo Climbing Helmet Size:M/L and the back spool rimA durable helmet for all of your adventures, Petzl's Boreo is great for climbing, via ferrata, canyoning, and caving. The thick shell provides optimal resistance against impacts and scuffs. The design provides greater coverage for enhanced head protection, and is compact and ventilated for maximum comfort. Design provides greater coverage and is lower in the back for enhanced protection against rock fall, as well as lateral, frontal, and rear impact