3M 7100175560 Hard Hat is a Type I, ABS shell material hard hat with a 6 point ratchet suspension type. It does not have vents and is part of 3M's top-quality product line. With its robust construction, this hard hat provides excellent safety and protection in industrial environments. The 6 point suspension system ensures a secure and comfortable fit for the wearer. Get the reliable protection you need with this 3M hard hat.