Women's USB Infrared Electric Heating Vest – Cotton Thermal Winter Warm Jacket S–XXLA flexible, comfortable, and effective electric heating vest designed specifically for women. Using USB-powered infrared heating technology, this cotton-blend thermal waistcoat delivers gentle, even warmth across the core — i for autumn and winter outdoor activities, commuting, or simply staying cozy at home. The V-neck design and full-zip closure make it easy to layer over or under other clothing.Important: Battery is not included. Please use a compatible USB power bank (sold separately). Sizes run smaller than European sizing — please refer to the size chart below and size up if between sizes.Key Features USB Infrared Heating Technology – Infrared heating elements deliver gentle, penetrating warmth across the core Flexible & Comfortable Design – Soft cotton-polyester blend moves with your body; not stiff or restrictive V-Neck Collar – Flattering neckline suitable for layering under jackets or wearing as an outer layer Full-Zip Closure – Easy on/off; adjustable ventilation for temperature control Pockets – Practical pockets for hands and small essentials Knit Construction – Soft, breathable knit fabric for all-day comfort Sizes S to XXL – Designed for women; please check the size chart as sizing runs smaller than European standards Specifications Specification Detail Material Polyester (≥95%) Heating Type USB Infrared Electric Heating Collar V-Neck Closure Full Zip Construction Knit Thickness Thick (Winter Weight) Season Autumn / Winter Gender Women Battery Not Included (USB Power Bank Required) Available Sizes S, M, L, XL, XXL Size Guide Size Bust (cm) Bust (inch) S 94 37.0" M 102 40.2" L 110 43.3" XL 118 46.5" XXL 124 48.8" Note: Sizing runs 2–3 sizes smaller than European sizing. If you are between sizes, we recommend sizing up for a comfortable fit.Who Is This Vest For?This women's electric heating vest is for outdoor enthusiasts, hikers, campers, commuters, and anyone who feels the cold during autumn and winter. The infrared heating technology provides therapeutic warmth that's especially appreciated by those with cold-sensitive joints or muscles.I ForAutumn and winter outdoor activities, hiking, camping, commuting, and everyday warmth across the US, UK, Europe, Canada, Australia, Mexico, Spain, Italy, France, Germany, Netherlands, Sweden, Norway, Poland, Switzerland, and worldwide.