100% Cotton ? SIZE — Adjustable Velcro back closure, fit to 20.5-23 head circumference. One size fits all. ? MATERIAL — Made of 100% cotton. Soft and durable. Classic basic design and vintage washed look. No need to worry about the differences in style between men and women. ? BREATHABLE — no-top hat designed for ventilation to accelerate sweat evaporation when doing outdoor activities, such as fishing, climbing, hiking, walking, running, boating, going trip and so on. ? GREAT GIFT IDEA — Well packaged as a perfect gift for your families, friends, and lover. ? 30 DAY MONEY BACK — All customers enjoy a 30-day money back??you have no risk to try. If the hat doesn’t meet your expectation, just contact us directly and we will provide you the best service after the sell.