Amazon.com: MISSION Cooling Anywhere Boonie Hat, Charcoal 。Stay cool and protected outdoors with this lightweight, foldable unisex bucket hat. It uses advanced water-activated technology to cool you by up to 30 degrees in under a minute, with UPF 50 sun protection. Condition: Brand new 1. Features ? Water & Sweat Activated – Advanced technology cools hat up to 30°F below body temp in under 1 minute, lasting up to 2 hours ☀️ UPF 50 Protection – Blocks 98% of harmful UV rays during outdoor activities ? Foldable & Durable – Lightweight design bounces back after being stuffed in a pocket or carry-on ? Odor Resistant & Washable – Machine washable with lasting freshness; cooling never washes out ? Unisex Adjustable Fit – Neck cord and flip-up brim with snaps fit head circumferences 20.5–24.5 inches fast shipping, smoke-free home, bundle & save QjBGMjZaQk5ENQ==