Amazon.com: Chasenew Sun Hat UPF 50+ Protection Waterproof 。Stay cool and protected on the trail or water with this high-performance sun hat. The advanced fabric delivers instant cooling without soaking, making it perfect for hot-weather adventures. Condition: Brand new 1. Materials / Fabric Advanced UVCoolix™ Moisture-wicking & Anti-UV Cool Touch fabric (90% Nylon, 10% Spandex), Sweatband: 100% Instant-Cooling Wicking Fiber 2. Features ? Instant Cooling – Delivers an immediate 5-8°F temperature drop with no water needed; stays dry and comfortable in 90°F+ heat ☀️ UPF 50+ Protection – Lab-certified wide brim shields 98% of UV rays; wired edge lets you adjust angle; dark underbrim reduces glare ? 360° Airflow – Precision perforations create a full ventilation circuit to release heat while keeping the hat sturdy ? Precision Fit – Three distinct fits for larger heads: M/L (22.4\"-23.2\"), L/XL (23.6\"-24.4\"), XL/XXL (24.8\"-25.6\") with adjustable drawcord and reflective chin strap ? Travel Ready – Snap-up brim for two styles, built-in sunglasses holder, and a foam-reinforced brim that floats if dropped in water fast shipping, smoke-free home, bundle & save QjBEWko1UTVYNA==