Ultimate Sun Protection: With a large UPF 50+ brim that blocks 98% of harmful UVA and UVB rays, these outdoor hats do more than regular sun hats. It is the perfect hat for beach, fishing, hiking, camping, traveling, hunting, gardening or any outdoor activity. Packable and Lightweight: The hat is foldable and packable, making it the ideal hat for any road trip, trip, or weekend getaway Stay Cool: Our lightweight hat has mesh panels and side vents to keep your head ventilated and cool even on the hottest and wettest days. One Size Fits Best: A casual style unisex sun hat with a snug fit. Hat size is 22-23.6 inches. Adjustable bungee-style drawcord at the back, one size fits most adult head sizes. Quality Guarantee: High Quality and 100% Satisfaction Money Back Guarantee. If you are not satisfied with the product, please contact us and we will provide you with satisfactory service.