Pokemon: Pichu Aviator Costume Hat This is a costume hat from the popular game series, Pokemon! Featuring a mouse type Pichu - the hat even has spike ears just like the character! And the aviator style will keep your head and ears warm! Its a soft fleece and fully lined that is very conformable to wear! Its a great item for all Pokemon Masters! Available as one size fits most. Approx. 25-inches around.