ONE SIZE FITS MOST: Hat circumference: 21-23 inches, hat height: 4.5 inches, brim length: 3.5-3.9 inches, chin drawstring length: 11.99 x 2 inches. One size is suitable for most. DESIGNED FOR THE OUTDOORS: Whether you're fishing by the river, hiking on the trail, or gardening, this sun hat provides protection for your head and face from the sun and heat. The adjustable drawstring helps keep the hat secure. Ideal for fishing, safari, beach, golf, hiking, camping, boating, and hunting. SUN PROTECTION: This sun hat is made of quick-drying, breathable polyester. The wide brim helps shield your face and neck from sunlight and harmful UV rays. The water-repellent material allows use in light rain. ADJUSTABLE DRAWSTRING: Features an adjustable chin strap to help keep the hat in place during windy or rainy conditions. An additional drawstring at the back allows you to customize the fit around your head. Includes an internal moisture-wicking sweatband. Mesh panels inside the crown provide ventilation and help keep your head cool. PACKABLE & LIGHTWEIGHT: Easily folds for compact storage in a suitcase or bag, making it convenient for travel. Ideal for cruises, outdoor adventures, and beach vacations. The hat retains its shape well and can be reshaped with steam or light ironing if needed.