Amazon.com: Waterproof Baseball Cap Breathable UPF50+ Caps 。Brand new, never worn, and in flawless condition — this unisex quick-drying running hat offers superior sun protection and waterproof performance, making it an ideal lightweight accessory for all your outdoor adventures. ? Condition: Brand New ? Measurements Adjustable buckle fits 22-23.22 inches ? Materials / Fabric 100% polyester fabric ⭐️ Features • Waterproof with hydrophobic technology • UPF50+ blocks over 99% of UV rays • Ultra lightweight at 2.3 ounces • Unstructured baseball cap style • Foldable for easy carrying • Perfect for running, hiking, fishing, cycling, golf, tennis, and travel fast shipping, smoke-free home, bundle & save B0F17GP2BP