Tuga Boys Bucket Hat (UPF 50+), Royal/Navy, Medium One side: 80% Nylon/20% Spandex. Reverse: 100% Nylon Taslan Imported Our Tuga kids bucket hats provide excellent sun protection, versatility and unique prints designed in sunny San Diego, California. EXCELLENT SUN PROTECTION: Fabrics are rated UPF 50+ and provide maximum UV sun protection by blocking 98% of UVA + UVB sun rays, wet or dry; similar rating as SPF for sunscreens. Covered areas don't need sunscreen. SAFE: Hats made from fabrics that are free of sunscreen chemicals, great for sensitive skin. We make skin safe and reef safe products! Great for infants, toddlers, and little kids. PRODUCT FEATURES: Wide brim protects face/neck/ears (3" brim for small hats & 3.5" brim for medium/large hats), adjustable or removable chin strap for windy conditions, reversible hat for 2 color options. QUALITY + COMFORT: Made of the same great fabrics as our swimwear so they can be worn in and out of the water, quick drying fabrics for ultimate comfort at the beach, pool, and pretty much anywhere.