- NABIYE NRWM005 thermal vest for men and women, designed to provide immediate and even warmth - Incorporates carbon fiber heating elements that emit far infrared rays, promoting blood circulation and relieving fatigue - 4 heating zones with three-level temperature control (high, medium, and low) via button - Double-sided thick and soft fleece lining material, providing maximum comfort and heat retention - Improved design with zipper at the waist for flexible and personalized adjustment - Waterproof switch, USB port, and durable silicone cable for greater safety and compatibility - International UL/CE/FCC certifications ensure safe and reliable use - Machine washable after removing the battery, maintaining its quality after more than 50 washes - Ideal for outdoor activities, hiking, winter sports, and daily use in cold climates - Does not include external battery, compatible with most USB-A power banks (5V/2.4A)