Pokemon: Oshawott Aviator Costume Hat This is a costume hat from the popular game series, Pokemon! Featuring an Oshawott - the hat even has little ears just like the character! Oshawott is the cute water type starter Pokemon from the latest Black and White game series! And the aviator style will keep your head and ears warm! Its a soft fleece and fully lined that is very conformable to wear! Available as one size fits most. Approx. 24-inches around.