1. Feature that reduces noise levels inside a helmet
2. Fastening device used to adjust the chinstrap length
3. Internal headband system that keeps the helmet in place
4. Reinforced area on the front of a helmet for added protection
5. Removable guard to protect the wearer's mouth
6. Insignia displayed on a helmet indicating military rank
7. Abbreviation for camouflage, the pattern on a helmet
8. Absorbent band inside a helmet to absorb sweat
8. Hard outer covering of a helmet that provides impact resistance
9. Sticker or label affixed to a helmet for identification
10. Padded inserts on a helmet to cover the ears
11. Back part of the helmet that protects the neck
12. Inner cushioning layer inside a helmet
13. Openings in a helmet for ventilation
14. Cushioning material inside a helmet for comfort and protection
15. Inner padding material used for comfort in a helmet
16. Protective eyewear worn under the helmet