If you're into subterranean adventures, the Petzl Boreo Caving helmet is tailored just for you. Crafted specifically for caving, it offers extensive coverage to ensure superior head protection. Despite its robust design, it remains compact and ventilated for maximum comfort during exploration. Featuring mounting plates at both the front and rear, it's ready to accommodate your headlamp of choice. Whether it's the Duo RL, Duo S, or Duo Z2, you have the flexibility to select the perfect headlamp to meet your needs. Provides extensive coverage with lower back design for enhanced protection against rock fall and impacts from all directions Hybrid construction combines thick ABS shell, EPP foam liner, and EPS foam liner for durability Impact- and scratch-resistant hard outer shell ensures long-lasting performance Stable fit with flexible headband that molds to head shape Easily adjustable fit with lateral webbing and fully adjustable chinstrap Front and rear mounting plates for Duo RL, Duo