Beat the heat naturally with the LITEGUEST Water Cooling Vest, engineered for extreme heat and outdoor activity. This reusable, battery-free cooling vest uses water-based thermal absorption to reduce core body temperature without fans, noise, or electricity. Simply fill with chilled water or ice and enjoy long-lasting comfort in hot weather. Why Choose LITEGUEST Water-Cooled Vest? Passive Water-Based Cooling: Holds up to 34 fl oz of chilled water or ice for natural heat relief. Lightweight & Breathable: TPU outer shell and mesh interior promote airflow and moisture evaporation. Adjustable & Comfortable Fit: Available in M, L, and XL sizes to suit different body types. Reusable & Eco-Friendly: Machine washable once water is removed; refill and reuse again. Versatile Wear: Can be worn over or under workwear, cycling jerseys, or outdoor clothing. Ideal For: Construction, landscaping, and outdoor work Cycling, hiking, and fishing Yard work, gardening, and summer sports Any high-temperature outdoor activity Specifications: Brand: LITEGUEST Cooling Technology: Passive Water-Based Cooling Capacity: Up to 34 fl oz of water or ice Material: TPU Polyether Shell + Breathable Mesh Lining Sizes: M, L, XL Weight: Lightweight Reusable: Yes Usage: Over or under clothing Best For: Hot weather work, cycling, fishing, hiking