These hats use pull-on styles and adjustable hook-and-loop (Velcro) closures. A few designs also include a hook-and-loop attachment for a faux beard to help keep the costume securely in place.
Descriptions highlight soft fleece, plush or knit construction and often state the hat “keeps you warm.” They also note when a design is lightweight enough for casual, all-day wear.
Listings commonly use terms like “One Size Fits Most” or “Adult General Sizing.” Some items specify suggested ages (for example, “7 Years and Up”) or explicitly note “one size fits most adults.”
The listings vary: some target children (examples list ages like 5 or 7 years and up), others are for adults, and a few are labeled as suitable for all ages.