360 protection and removable: This sunscreen cap combines wide edges, face and neck clamshells (removable clamshells) to prevent sunlight from the head, face and neck. Adjustable chin straps to ensure comfortable conditions even in strong winds.Breathable: There is a ventilation mesh in the front of the top and neck clamshell of the hat. It can increase the air circulation and keep it cool and breathable. The best partner for various outdoor activities.Fabric: Made of waterproof nylon fabric and polyester mesh, it is easy to clean, breathable, quick-dry, wear-resistant, lightweight and comfortable to wear.Size: Neutral design, suitable for head circumference of about 22-25 inches/56-62 cm. Edge width of the hat: 3.8 inches. The sun hat is only 3.6 ounces, which is very comfortable to wear. It can be easily folded and packed.Outdoor partners: Ideal for any outdoor activities: fishing, hiking, camping, hunting, gardening, cycling, rock climbing, boating