Legend 1. a. NEW! 660C offers tough, through Color* fiberglass reinforced, high temperature composite - resists cracking & chipping b. 970 offers two layers of Kevlar/fiberglass composite - increases cut and penetration resistance with lighter weight c. 990 offers three layers composite - the ultuimate in cut and penetration resistance 2. Insurance against fireground damage w/Cairnes 5 year shell replacement warranty 3. Non-corroding, high temperature, glass filled polymer faceshield/goggle hardware 4. NEW! Ultra high temperature (TPR) edge trim will not melt or drip 5. NEW! Faceshield wing protectors standard on all helmets for extra faceshield reinsforcement 6. NEW! Nomex chinstrap with one hand quick release buckle and postman slide - allows quick and easy adjustment 7. Choice of Nomex or Pbi/Kevlar earlap - for increased neck/ear coverage and protection 8. Patented shell release - increases neck and head protection 9. NEW! High temperature foam cap - increases thermal and impact protection 10. NEW! Higher temperature impact cap liner resists distortion at higher temperatures 11. Exclusive SCBA interface front headband adjustment - matches the fit of any SCBA mask 12. NEW! 3-position rear ratchet height adjustment - insures a secure and comfortable fit for all head sizes between 6 3/8 - 8 3/8 13. NEW! Choice of removable flannel or leather cushion liners for washing and upgrading - provides greater ease and comfort 14. NEW! Choice of NFPA eye protection - faceshield or Cairnes GOGGLE 15. NEW! Larger diameter helmet hanger - fits on larger hooks and racks