head protection
Safety helmet that protects against falling objects and impact.
safety cap 
Hard headgear that protects the head.
rib 
Ridge that reinforces the top of the safety cap.
peak 
Part that juts out over the eyes to protect them.
headband 
Band that surrounds the base of the skull to keep the cap in place.
suspension band 
Belt on the inner top of the cap that is made of resistant fabric to cushion the impact of blows to the head.
neck strap 
Strap that tightens around the nape to keep the safety cap in place.