They’re made from a mix of woven straw and other natural fibers, paper straw, and synthetic fabrics (commonly 100% polyester).
Many listings show sun-protection ratings, with UPF 50+ being the most common. Some product descriptions also use SPF terminology (e.g., a listing noting “100 SPF / UPF 50”), but UPF 50+ is the typical protective rating shown.
Many are sold as one-size or “one size fits most.” Where specific measurements are provided, head circumferences commonly fall around 22.5–23 inches.
Care varies by hat: several listings recommend hand wash and line dry or laying flat to dry, while others state they’re machine washable with line dry or occasional tumble-dry instructions for certain options.
Yes—many are advertised as foldable or packable, made from flexible materials that can be rolled or folded for travel and stored in a bag without losing shape.
Fit methods vary: many are pull-on styles, while others include adjustable straps, chinstrap ties, or similar adjusters to customize and secure the fit.