Bisley Workwear Heated Jacket With Hood BJ6743Bisley Workwear Heated Jacket With Hood BJ6743 Durable two layer waterproof and breathable fabric Waterproof rating: Up to 20,000mm H2O All seams are seam sealed Quilted lining for extra warmth Built in battery powered heating system with three temperature settings low, medium and high Internal pocket for holding power bank (power bank not included) Three heating zones two on the chest and one large zone on the back Power bank connects to jacket via