Imperial 4917 Bump Hat Insert For Baseball Cap

Highlights:

• Plastic liner offers protection against lacerations. bumps and scrapes to the head area
• Easily slides into most baseball caps
• Injection-molded with impact polypropylene
• Ventilation holes on the front and side for cool. long-wearing comfort
• Does not meet OSHA or ANZI requirements for head protection
• Do not use bump hat insert where a hard hat is required