Bump cap is designed as a safeguard against accidental bumping or scraping of the head. Has protective HDPE liner that is removable so the outer cap is fully washable with a plastic brim. Unique size adjuster slides on an elastic strip to give a quick, secure fit. Angled downward to fit under nape of neck. Reflective piping adds extra visibility & therefore safety in all working environments. Holes in the liner match up with two mesh panels on the cap to provide added ventilation for coolness & comfort. Style: Bump Cap; Material(s): 80% Polyester; 20% Cotton; Adjusting Method: Elastic Strap with Clamp Action; Suspension: Elastic Strap with Clamp Action.