Stay cool and comfortable in any environment with this advanced Cooling Vest, designed to provide efficient cold air circulation and superior heat dissipation. Crafted from high-quality polyester, this cooling vest features a breathable mesh that evenly distributes air throughout the body, reducing temperature by up to 20% while preventing sweat buildup. Ideal for both indoor and outdoor use, it’s perfect for construction workers, outdoor adventurers, and anyone needing reliable cooling relief in hot conditions. Key Features: · **Effective Cold Air Circulation:** The vest’s mesh fabric allows air to flow evenly across the entire body, promoting a 20% temperature reduction and enhanced breathability to keep you dry and comfortable. · **Easy Operation:** With a one-button exhaust heat dissipation system, the fan quickly circulates cool air around your body, maintaining a refreshing feeling even in hot working environments. · **Improved Work Efficiency:** By rapidly evaporating sweat and preventing heat stroke, this cooling vest helps you stay focused and productive during intense physical activity. The fan is lightweight for minimal added burden. · **Three Adjustable Wind Levels:** Customize your cooling experience with three fan speed settings—comfortable wind, cool wind, and strong wind—to suit your personal preference and environmental conditions. · **Convenient USB Power Port:** Equipped with a USB port for easy connection to a power bank (not included), allowing you to stay cool on the go without hassle. · **Comfortable and Versatile Design:** Featuring elastic edge wraps and a soft, breathable fabric, this gray cooling vest provides sun protection and comfort for prolonged wear. Dual side zipper pockets add practical storage options. Specifications: · Material: Polyester · Number of Levels: Three Levels (Comfortable Wind, Cool Wind, Strong Wind) · Fan Color: Black · Vest Color: Gray · Applicable Scenes: Indoor and outdoor environments, construction sites, outdoor adventures, and more · Size Options:  - S: Length 63cm / 24.8in, Shoulder Width 41cm / 16.14in, Bust 112cm / 44.09in, Suitable Height 155-165cm / 61.02-64.96in, Suitable Weight 40-55kg / 88.2-121.3lb  - M: Length 65cm / 25.59in, Shoulder Width 43cm / 16.93in, Bust 116cm / 45.67in, Suitable Height 160-170cm / 62.99-66.93in, Suitable Weight 52.5-67.5kg / 115.7-148.8lb  - L: Length 67cm / 26.38in, Shoulder Width 44cm / 17.32in, Bust 120cm / 47.24in, Suitable Height 165-175cm / 64.96-68.9in, Suitable Weight 65-75kg / 143.3-165.3lb  - XL: Length 69cm / 27.17in, Shoulder Width 46cm / 18.11in, Bust 124cm / 48.82in, Suitable Height 170-180cm / 66.93-70.87in, Suitable Weight 72.5-82.5kg / 159.8-181.9lb  - XXL: Length 71cm / 27.95in, Shoulder Width 47cm / 18.5in, Bust 128cm / 50.39in, Suitable Height 175-185cm / 68.9-72.83in, Suitable Weight 80-90kg / 176.4-198.4lb Package Includes: · 1 x Cooling Vest (Fan included, power bank not included) This Cooling Vest is your reliable companion for staying cool and comfortable during demanding activities. Its innovative design combines breathability, adjustable cooling power, and user-friendly features to enhance your comfort and safety in hot environments.