Polyethylene insert inside 100% polyester twill ball cap protects against bumps and scrapes. Polyethylene (PE) Shell Cap Insert encircles top, front and both sides of head to protect against bumps and scrapes, secures easily in our Vulcan Baseball Caps, includes corresponding holes for cooling ventilation and foam padding against head to enhance comfort.

Features and Specs:

• Polyurethane bump cap insert included (V400)
• Insert fits most "high profile" or "pro style" ball caps.