Sun Protection & Waterproof: The sun hats for men women has UPF 50+ excellent sun protection effect, which can protect you from sun damage. The sun hat is waterproof and wide brim and neck flap keeps your face and neck from the strong sun Lightweight & Foldable Design: The fishing hat for men women is foldable and easy to carry in a backpack, without wasting more space. There are foldable buttons on both sides, allowing you to wear the hat in the cowboy style One Size Fits Most: The sun hat is suitable for both men and women. Head circumference is 22.8''-23.6''(58-60cm), and the elastic drawstring at the back of the hat is adjustable. The chin strap ensures hat can be worn on the head even in windy or rainy weather Breathable & Comfortable: The outdoor fishing hat features a wide brim and neck flap, and the mesh on both sides can be ventilated and breathable, keeping you cool on hot days. And roll it up when you don't need a neck flap Widely Used in Outdoor Activities: The sun hat has a UV sun protection for outdoor activities, you can wear it for spring outdoor activities such as vacation, fishing, hunting, mountain climbing, gardening, hiking, camping, rowing etc. Product description