Hard Hat, ANSI Classification Type 1, Class C, Head Protection Style Front Brim, Head Protection Suspension Type Ratchet (6-Point), Head Protection Color Gray, Head Protection Graphics No Graphics, Fits Hat Size 6-1/2 to 8-1/2, Head Protection Material HDPE, Accessory Mounting Options Side-Slots, Head Protection Venting Yes, Standards ANSI/ISEA Z89.1, Series BOLT