Phase change cooling vest helps reduce heat stress.

The Ergodyne 12222 Chill‑Its 6210 Phase Change Cooling Vest uses phase‑change materials to maintain a constant cooling temperature of approximately 64°F (18°C). Designed to reduce heat stress in hot work environments, it features a durable nylon shell and adjustable straps for a secure fit. Rechargeable in ice water, refrigerator, or freezer, this vest is ideal for construction, warehouses, utilities, and other high-heat applications.