Mesh,Nylon Imported 👒Adjustable & Unisex fishing hat: Adjustable drawstring design on sun hat rear, which you can adjust it according to your head circumference. One size 22"-23.6" fits most women and men head circumference. Equipped with a detachable and adjustable chin strap to hold your hat in place on windy days 💨Comfortable and Breathable: Summer hat is made of premium nylon and polyester, which is soft, skin-friendly and good absorbent fabric. Provides excellent protection from the sun when it's hot and keeps you cool all summer ⚙UV Protection & Waterproof: Wide brim 3.6inch protects your face and neck from harmful rays. Waterproof fabric not only prevents rainwater from seeping your head, but also has a quick-drying function to ensures quick drying after a rain shower, avoiding head discomfort ✅Packable&Foldable: Floppy hats is foldable and lightweight, which can be folded into small pack and equipped with a hook to hanging in a backpack. Easy to operation and save space 🎒Multi-function: Perfect for hiking, camping, hunting, boating, fishing, walking, jogging, biking, trekking, gardening, golf, baseball, marathon, research, field work and other outdoor activities This outdoor protection hat is made of 100% premium nylon. Breathable, lightweight, waterproofed, UV resistance, quick dry and soft comfortable wear.