This 9-zone down heated vest, filled with 90% white duck down, offers outstanding warmth. Four-layer anti-drilling velvet structure, high cleanliness, no odor. Electric auxiliary heating design, constant temperature warmth. Features: Filled with 90% white duck down for outstanding warmth. Four-layer anti-drilling velvet structure, high cleanliness, no odor. Electric auxiliary heating design for constant temperature warmth. Side pocket design for a simple and fashionable look.Zipper placket for smooth and durable use. 65-55-45 3-level temperature adjustment Specifications: Material: 90% White Duck Down Color: Black Size: S/M/L/XL/XXL/XXXl(Optional) Package Size: 34*25*10.0cm / 13.4*9.8*3.9in Package Weight: 530-680g / 18.7-24.0oz Package List: 1*9-Zone Down Heated Vest