Read more UNIQUE PRODUCT DESIGN ADJUSTABLE The zippers on both sides of the heated vest can make the vest 1.18-2.36 inches larger, allowing you to adjust the size according to your needs, such as changing clothes at different ambient temperatures. SAFTY REFLECTIVE STRIP DESIGN Intimate design: reflect the surrounding light at night to provide you with safety. CHAIN CAP The unique zipper hat design prevents the zipper from freezing to the chin because it is too cold in winter. Read more We have talked with hundreds of customers who work outside during the coldest months of winter and listened to voices of professional skiers and snowboarders, mountain rescue team-members, seasoned ice fishing veterans, clothing buyers and reps, magazine editors. With great attention to detail and aims to combine research on the human body, climate conditions, and biomechanics to produce high-quality, easy-to-use heated clothing 2022 Women's Heated Vest ABOUT SIZE Snug slim fit for maximum heat retention, so some customers may find the sizes run small. If you prefer a casual or loose fit, the rule of thumb would be to order one size larger than you normally wear. You may also measure your body and refer to the size chart. If you're in-between two sizes, go with the larger. If, due to a size issue, an exchange is needed, please refer to the size tag info and contact Customer Support. Model Information: Height: 69in Size: S Read more BASIC PRODUCT INTRODUCTION INNER POCKET UPGRADE DESIGN： Inner pocket design. More convenient to keep your hands warm in the winter. 5 HEATING ZONES Press the touch three seconds of a button， it delivers heat to the core body areas. NOTE: Long press the button for 3 seconds to turn it ON/OFF. Short press the button to switch mode. 3 TEMPERATURE LEVELS The first boot is in automatic gear, with overheating protection, and the heating level is a high-temperature level. If the heating vest does not manually adjust the temperature, it will only use 75% of the power after heating for 5 minutes, reduce the heating level, and become the middle level. RED-HIGH 140-149°F 3-4 hours WHITE-MEDIUM 122-131°F 5-6 hours BLUE-LOW 104-113°F 8-8 hours Read more MATERIAL INTRODUCTION AND CARE INSTRUCTIONS LIGHTWEIGHT AND WARM ● Net Weight: 0.6-0.8 lbs ● 100%Polyester Another name： washed cotton ● Endure 50+ Machine Wash Cycles EASY CARE ● WASHABLE ● Machine Wash ● Hand Wash ● Washing steps: 1. Use mesh laundry bag 2. Machine wash gentle cycle in cold water 3. Please take out the mobile power before cleaning LONG-LASTING WARMTH ● USB 5V/2A Power Supply 10000MAH BATTERY ● 2 USB Ports: Charge the Phone While Heating ● Battery Life: 4-8 Hours (Depending on which level you use). Read more PERFECT FOR GIFT It is a perfect gift for family members and birthdays and coming Thanksgiving or Christmas Day. Etc PACKAGE INCLUDING： 1 x heated vest 2 x USB Cable (There is a spare cable) 2 x Charging Cable (There is a spare cable) 1 X Power Bank 1 X Charger