SOFT LIGHT BREATHABLE MATERIAL: 100% Cotton ONE SIZE FITS MOST: Head Circumference 56-58.5 cm. /22''-23'' SUN SHADE AND COOL: CACUSS sun hat has passed UPF 50+ test and can block 97.5% or more of sun UV rays. Breathable fabric helps keep you cool in the sun. Shade your face and back of your neck. Brim can be rolled up or down as you wish ELEGENT AND MULTI USE: A perfect hat for wearing when gardening, in the beach, camping, hiking, fishing, weddings or any outdoor activities FOLDABLE AND PACKABLE: High quality materials and fabulous craftsmanship. Unique wide brim style design, Fold-up brim material can be worn folded up or down, also can be easily carried inside your handbag or beach tote. Crushable and easy carry