HVN-510U High Visibility Cooling Vest Set with Rechargeable Lithium Ion Battery

The world's first ANSI/ISEA class 3 compliant vest that has built-in direct cool technology unique to ZIPPKOOL cooling jackets. Made of durable rip-stop water resistant fabric that lasts much longer than the standard high visibility vests. Powered by a rechargeable lithium ion battery, enjoy up to 20 hours of continuous cooling on a hot day. Compatible with a full body harness, the D-ring pops out from the back pocket while sealing air leakage to maximize cooling inside the jacket. Ideal for many applications such as traffic safety, construction and more. Show Less