www.safetyandhealthmagazine.com/articles/winter-liner-2

Winter liner

February 1, 2012
The N-Ferno 6852LED 2-layer Winter Liner with LED Lighted Brim illuminates projects and workspaces without flashlights or bulky headlamps, all while keeping employees warm. Ideal for anyone working in a cold environment, the liner has a hook-and-loop chin strap and hard hat suspension attachments for a secure, comfortable fit. Multiple lighting choices are available.
 
Ergodyne