Amazon.com: Cooling Sun Defender Sun Hat, UPF 50 UV 。Brand new, never worn, and in flawless condition — this lightweight cooling sun hat delivers UPF 50 UV protection and advanced temperature control, perfect for hiking, fishing, beach days, or gardening. The design is breathable, comfortable, and odor resistant. ⭐️ Features Style: Wide brim sun hat Fit: Adjustable pull-on design with adjustable neck cord Fabric: 100% polyester Water & sweat activated cooling technology, cools up to 30°F below body temp, stays cool up to 2 hours UPF 50 UV protection Lightweight and breathable Machine washable Odor resistant 3-inch brim Unisex fit for hiking, fishing, beach, gardening, golf ? Condition: Brand new ? Measurements Circumference: 20.5 to 24.5 inches (fits head sizes 6.5 to 7.75) ? Materials / Fabric 100% polyester fast shipping, smoke-free home, bundle & save B0CQKPQR2X