Stay Cool. Stay Moving. Engineered for hot days and active lifestyles, the Tern Fan Vest delivers powerful airflow and lightweight protection wherever the day takes you. Whether you&';re working outdoors, exploring the city, hiking in the heat, or enjoying weekend adventures, this innovative cooling vest helps you stay comfortable, focused, and on the move. Designed with integrated fan-powered ventilation and a lightweight technical shell, the Tern Fan Vest circulates air throughout your core to reduce heat buildup while maintaining a clean, versatile look that pairs effortlessly with your everyday wardrobe. Features Complete Cooling System - Includes rechargeable battery, charger, dual cooling fans, wiring system, and detachable hood Advanced Airflow Technology - Dual fan system circulates air throughout the vest, helping cool the torso, back, and neck for lasting comfort in warm conditions Dual-Zipper Access Design - Convenient dual-zipper construction allows quick access to the battery pack without disrupting airflow or removing the vest Detachable Hood - Easily attach or remove the hood to adapt to changing weather conditions, activities, or personal style preferences Internal Cord Management System - Built-in interior loops securely route and organize fan wiring, keeping cords neatly in place and out of the way during movement Lightweight Technical Fabric - Durable, water-resistant shell helps protect against light rain and wind while remaining breathable and comfortable Adjustable Comfort Fit - Elasticized hem and ergonomic design provide a secure fit while allowing unrestricted mobility All-Day Cooling Performance - Multiple fan speed settings deliver hours of cooling airflow to help keep you comfortable throughout the day Versatile Everyday Wear - Ideal for outdoor work, hiking, camping, travel, gardening, commuting, and warm-weather recreation Functional Utility Features - Reflective accents and performance-focused details provide added visibility and practicality for everyday use What&';s Inside the Kit 30V Rechargeable LiIon Battery Charging Chord Dual HighOutput Fans & Wiring Harness Vest Specifications Material: 100% Nylon Interior Mesh: 100% Polyester Battery Type: Lithium Ion Voltage: Variable 17V - 30V Run Time: 6-30 Hours (approx) Charge Time: 4 Hours (approx) DC Output: 17V - 20V - 23V - 26V - 30V DC Input: 12V-2A USB Output: 5V-2.4A / 9V-2A / 12V-1.5A Operating Temperature: 0AdegF ~ 104AdegF / 0AdegC ~ 40AdegC Charging Temperature: 0AdegF ~ 104AdegF / 0AdegC ~ 40AdegC Storage Temperature: 14AdegF ~ 113AdegF / 0Adeg ~ 40AdegC Water Resistance (Battery): Simple Waterproof Structure Not Guaranteed To Protect Against Submersions Battery Weight: 342g Fan Power Consumption @ DC24V - 8V: 27.5W - 1.8W Splash Proof, Water Resistant, and Dust Proof Performance: IP55 Rating Run Time Modes Fit & Size Guide Sizes M-2XL, with dimensions (in): M: 46x;19x;27 L: 49x;19x;28, XL: 51x;20x;28, 2XL: 54x;21x;29 Pro Tip: Size up for layering or freedom in motion. Guides User Manual Quick Start Guide