Ergodyne 23370 Skullerz 8960 Short Brim Bump Cap with LED Lighting, Black-(Each)

Patented LED lighting technology built-in under brim
LEDs emit 48 lumens; battery life of approximately 30 continuous hours
Powered by four CR2032 lithium ion batteries (included)
Removable impact-resistant shell with foam lining
Patented flanged design for comfort and air flow
Nylon or high-visibility polyester with reflective accents