Brim widths vary but generally fall in the mid-4 to 5-inch range. Example listings show 4.5 inches, 4.9 inches, and 5 inches.
Most listings advertise UPF 50+ protection and note that the visor offers coverage for the face, neck, and ears.
You’ll find pull-on styles and hook-and-loop (Velcro) closures. Several listings mention adjustable Velcro backs or similar adjustments to secure the fit.
Many designs include an open-top crown or a ponytail opening (listed as "ponytail hole" or "open-top crown") so ponytails, buns, and updos fit comfortably.
They’re described as roll-up, foldable, and packable. Several listings note the straw construction compresses or tucks away for easy storage in bags or luggage.
Care guidance varies by listing: common recommendations include hand wash and line dry or lay flat to dry, while others suggest spot cleaning or wiping with a damp cloth.
Most are listed as one-size (fits most adults). Product details show head circumference values around 22–22.8 inches.
Crown heights are generally low—about 2 to 2.3 inches. Example listings show specific values of 2.0 inches, 2.1 inches, and 2.3 inches.