This vest is made from durable, water-resistant Taslan fabric and features a snug-fitting, lightweight design to fit comfortably under any shirt or jacket. The high-tech carbon fiber heating elements draw less than 3.5 amps and are located where heat is needed most on the chest and back. The water-resistant controller features a selectable level of comfort from five temperature levels, indicator lights and microprocessor circuitry for accurate temperature control. Two sizes are available: small to XL and 2XL to 4XL. The suggested retail price is $199.95.