Fan-Equipped Air-Conditioned Cooling Vest – USB Dual Fan Breathable Outdoor Work VestStay cool in extreme heat with this innovative fan-equipped air-conditioned vest. Two high-speed waist fans circulate a large volume of air parallel to your body surface, rapidly evaporating sweat and lowering your body surface temperature by more than 8°C. Powered by any USB power bank, it's the practical cooling solution for outdoor workers, campers, hikers, and anyone who spends time in hot environments.Available in sizes S through 6XL for a comfortable, inclusive fit.How It WorksThe dual fans at the waist create a 30-degree diagonal cyclone airflow that moves air evenly and densely across the body surface. This continuous airflow rapidly evaporates sweat — your body's natural cooling mechanism — without generating additional heat, effectively preventing heat stroke and improving comfort and work efficiency in high-temperature environments.Key Features Dual Waist Fans – Two fans produce dense, even airflow with a 30-degree diagonal cyclone design for maximum cooling coverage 3 Airflow Speed Modes – Adjust fan speed (high, medium, low) to match your activity level and environment Lowers Body Temperature 8°C+ – Rapid sweat evaporation significantly reduces perceived body heat USB Powered – Connect to any standard USB power bank; no proprietary battery required Breathable Polyester Fabric – Quick-drying, sun-protective, and lightweight; reduces skin problems caused by sweating Full-Zip Design – Easy on/off; fans are easy to install and remove for washing Sizes S to 6XL – Inclusive sizing for a wide range of body types Specifications Specification Detail Material Polyester (Breathable, Quick-Dry) Lining Material Polyester Fan Count 2 (Dual Waist Fans) Fan Speed Modes 3 (High / Medium / Low) Power Source USB (Power Bank, not included) Temperature Reduction 8°C+ (body surface) Available Sizes S, M, L, XL, XXL, XXXL, 4XL, 5XL, 6XL Season Summer Style Casual / Workwear Closure Full Zip Size Guide Size Length (cm) Length (inch) S 112 44.1" M 116 45.7" L 120 47.2" XL 124 48.8" XXL 128 50.4" XXXL 132 52.0" 4XL 136 53.5" 5XL 138 54.3" 6XL 140 55.1" Who Is This Vest For?This cooling vest is i for construction workers, warehouse staff, kitchen chefs, tour guides, farmers, outdoor campers, hikers, and anyone who works or spends extended time in high-temperature environments. Suitable for men in sizes S–6XL.How to Use Install the fans before connecting power Connect a USB power bank to start the vest Press and hold the power button for 3 seconds to start at high speed Short-press to cycle through medium and low speeds Turn off before disconnecting the power cable Remove fans before washing; fans can be wiped clean separately I ForOutdoor work, camping, hiking, construction, agriculture, and summer activities across the US, UK, Europe, Canada, Australia, Mexico, Spain, Italy, France, Germany, Netherlands, Sweden, Norway, Poland, Switzerland, and worldwide.