Great for Outdoor Activities: Provides protection from the sun and is excellent for outdoor activities like hiking, biking, running, and exercising. The built-in nylon mesh provides ample ventilation and wicks sweat away to keep you cool and dry Well Constructed: The inside front is lined with sweat-resistant bands to absorb sweat from the head while the mesh back provides ample breathability Durable Material: Constructed from a high-quality cotton and polyester mix with a nylon mesh back to provide a long-lasting and durable hat that will withstand many uses while maintaining its form Adjustable Size: The adjustable closure on the back allows for changing the size of the cap to accommodate various sizes. The comfortable design is versatile and offers a great fit Unisex Design: This unisex hat is adjustable so it can accommodate both women and men Easy to Wash: Made of high-quality materials that are meant to last even through multiple washes