ERGODYNE CHILL-ITS 6717 EVAPORATIVE COOLING HARD HAT PAD W/ NECK SHADE SOLID BLUE ONE SIZE EVAPORATIVE COOLING HARD HAT PAD W/ NECK SHADE PAD WITH LONG SHADE THAT PROTECTS AGAINST THE SUN. UL STYLEMARGIN-TOP0PX; PADDING-TOP 5PX; PADDING-BOTTOM 5PX; LIGHTWEIGHT COOLING ACRYLIC POLYMERS HOOK & LOOP CLOSURES PROTECTS NECK FROM HARMFUL UV RAYS CONVENIENTLY ATTACHES TO HARD HAT SUSPENSION SYSTEM SOAK IN WATER 2-5 MINUTES TO ACTIVATE REMAINS HYDRATED FOR UP TO 4 HOURS REACTIVATE BY RE-SOAKING