Ergodyne Chill-Its 6660 Attachable Hard Hat Brim with Neck Shade, Lime UNIVERSAL FIT elastic inner rim with strapping fits most hard hats SUN PROTECTION wide brim and neck shade protect your face and neck from the sun's harmful rays while working outside COLOR OPTIONS comes in hi-vis lime and hi-vis orange EASY TO USE Simply attach to the suspension of a hard hat SECURE FIT hook-and-loop (velcro) strapping provides a secure hold so you dont have to worry about the wind blowing it away