Helmet System 
Technical Specs:
- Complies with the American National Standard for industrial head protection
 
- Does NOT include chin strap
 
- Ear protectors attached
 
- Helmet meets ANSI Z89.1-2009 Type 1, Class E, G and C
 
- Muffs meet ANSI S12.42 NRR28
 
- Ratchet adjustment type