The Legionnaires Ponytail Hole Hat is a breathable outdoor fishing hat for women, made from moisture-wicking Polyester with UPF50+ for UV protection. The sun hat with ponytail hole features a breathable mesh, waterproof fabric, adjustable chin strap, and rear drawstring to ensure a secure fit. Technical Details: Ultraviolet Protection: UPF50+ full spectrum One Size: Medium to Large Heads Head Circumference: 54-58cm (21.3-22.8") Head Depth: 11cm Neck Flap: 17cm Brim Width: 12.5cm Material: Nylon Weight: 120g Key Benefits: Ponytail-Friendly Design: Thoughtful design with a hidden ponytail hole at the back, offering added comfort for women with long hair. This sun hat with ponytail hole allows you to wear your hair up while enjoying full sun protection. Waterproof and Windproof: This sun hat uses professional outdoor waterproof coated fabric, tightly stitched onto the brim for exceptional performance. With an adjustable chin strap to securely anchor even in strong winds. Adjustable Fit: The wide brim and adjustable internal rear drawstring on the crown of this high-quality neck-flap hat allows for a customized fit, ensuring a snug and comfortable wear. Breathable comfort: The breathable, elegant, double layer neck flap helps expel perspiration, keeping you cool during the summer. Whether you're fishing, hiking, or engaging in other outdoor activities, this women's hat is a reliable choice. Packable and Portable: Designed for on-the-go adventures, the womens hat with ponytail hole is a packable and portable design that makes it easy to carry in your backpack, so you can have sun protection wherever you go.