The Ultrasonic Heated Tunnel Gilet offers the best in insulation solutions. Carbon fibre heated panels are embedded into this padded bodywarmer to bring extra warmth and comfort to the wearer. The use of innovative heat sealed baffle fabric increases its water resistance. The S549 also has three heat settings controlled by a button at the chest and includes a rechargeable battery that offers 3-10 hours of heat. Features and BenefitsPremium water resistant fabricHeat sealed seams for increased water and wind resistanceInsulatexPro lining offers superior warmth without adding unnecessary weightBattery powered carbon fibre heated panels bring extra warmth to the wearerEasy to load and durable battery packElasticated armholesDrawcord adjustable hemChin guard with internal storm flap provides extra comfortBattery life of up to 10 hours Micro USB charging cable includedFront zip opening for easy accessZipped pocketsEasy grip pullers attached to all zip