Evaporative Cooling Hard Hat Pad W/Neck Shade: Pad with long shade that protects against the sun. Features, 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, Solid blue Application, Construction, Trades, Maintenance, Landscaping/Grounds, Assembly/Fabrication, Material Handling, Freight/Baggage, Warehousing/Distribution, Iron/Steel Fabrication