RefrigiWear Men's Lightweight Insulated Cooler Wear Vest, Navy Keep your core warm and protected from the cold with 7.5 oz. polyester fiberfill insulation and an insulated knit collar Protect yourself from the elements with a durable, water-repellent and coated ripstsop nylon outershell Thermal stretch knit side gussets help make the vest a snug, perfect fit without restricting movement Convenient chest pocket plus 2 insulated hand warmer pockets Take this vest to work on a cool day to protect your core, or wear it to any outdoor event when you need an extra layer between you and the elements