BYFRI Arctic Hat Sunscreen Cooling Heatstroke Protection Cap Wide with Uv for Men Women （cap）

This unisex hat reflects 99% of UV rays and has an evaporative cooling liner that is activated with water Nylon cloth + knitted fabric + EVA foam.The fabric that makes up every Hydro Cooling Bucket Hat is lightweight and breathable. Durable, breathable and lightweight construction The evaporative cooling inner liner retains cool water and slowly evaporates to keep your head up 20°F cooler. Simply wet the inner lining and put on the hat! Get instant relief from the heat and stay cool for hours Blocks 80% of solar heat and harmful UV rays and has an evaporative cooling liner that is activated with water.