HyperKewl Evaporative Cooling Vest - Traffic Safety ANSI Class II Compliant6538 HyperKewl Evaporative Cooling Traffic Safety Vests: V-neck w/snap closures and ANSI compliant color w/3M reflective tape ANSI Class II compliant vest Provides 5-10 hours of cooling relief per soaking Comfortable polyester outer, with HyperKewlTM fabric inner and water repellent nylon liner Three large front pockets Hi-Viz Lime with Cool Blue lining HypwerKewl Evaporative Cooling Instructions: Soak garment in cool water for 1-3 minutes Gently squeeze out excess water Wear/Apply repeat steps as needed Hang to dry Wash with brush and delicate soap (as needed) HyperKewl Evaporative Cooling Vest - Traffic Safety ANSI Class II Compliant