Vented High-Density Polyethylene (HDPE) shell designed with five raised channels running across the top for strength, and an extended back area for extra protection

EPS (Expanded Polystyrene) liner helps absorb impact

Unique "3D Adjustment" provides a precise fit using harness depth settings unlike any other hard hat on the US market today

Revolution™ Wheel Ratchet is easy to use and creates a firm comfortable fit

Includes a 4-point cross-over chin strap with quick release buckle that is adjustable for a safe & secure fit

Chamlon sweatband

Meets ANSI/ISEA Z89.1, Type I requirements, Class C requirements

Meets Limited Clauses of EN 12492 - Mountaineering Standard

Packed ready-to-wear with no installation of the suspension required

Universal accessory slots accepts virtually any helmet

EVOSpec™ compatible