Material: Polyester Features: The half-empty roof design can tie a ponytail, the small button can hang a mask, the small side pocket can store the mask, and the adjustable belt Outdoor Uv Protection Hollow Top Sun HatThe brim size of the hat has been widened and enlarged to cover a large area of the face and neck, avoiding exposure to sunlight. Lightweight breathable design allows great air vent, keeping you feel cool outside in hot summer days. Outdoor Uv Protection Hollow Top Wide Brim Sun HatThis sun hat is hollow-topped and easy to wear for ponytail hair. There is a metal hook on each end, you can hang your mask or sun shading face towel on it. Hollow Top Sun HatWomen's hot hats can be adjusted with their back closures. One size is suitable for most women. Women's Large Brim UV Protection Empty Top Sun HatThis sun hat is easy to carry - it is foldable and packable, convenient for storage and travel. Uv Protection Hollow Top Sun Hat,It can be used for casual daily wear or outdoors, ideal for beach, camping, hiking, tourism, jogging, running, walking or other sports and activities. It also makes a great gift for friends and family