On long routes, you'll be glad for the Capitan climbing helmet. It features a durable Acrylonitrile Butadiene Styrene (ABS) shell and dual expanded polypropylene (EPP) and expanded polystyrene (EPS) foam construction for extended coverage of the back and sides. Features include ventilation holes to keep you cool and clips to hold a head torch in place. A low-profile adjustable suspension system cradles the head for all-day climbing comfort.