Tis the season to wear your festive best—Eevee and its Evolutions will be donning holiday hats in Pokémon GO!
![Pokémon Go event Pokémon list: All costume Pokémon, including party hat Pokémon, flower crown Pokémon and every Pikachu costume explained | Eurogamer.net Pokémon Go event Pokémon list: All costume Pokémon, including party hat Pokémon, flower crown Pokémon and every Pikachu costume explained | Eurogamer.net](https://gamernetwork.bbvms.com/mediaclip/4501945/pthumbnail/368/207.jpg)
Pokémon Go event Pokémon list: All costume Pokémon, including party hat Pokémon, flower crown Pokémon and every Pikachu costume explained | Eurogamer.net
![Pokémon Go event Pokémon list: All costume Pokémon, including party hat Pokémon, flower crown Pokémon and every Pikachu costume explained | Eurogamer.net Pokémon Go event Pokémon list: All costume Pokémon, including party hat Pokémon, flower crown Pokémon and every Pikachu costume explained | Eurogamer.net](https://assets.reedpopcdn.com/Pokemon-Go-Costume-Pokemon-header.jpg/BROK/thumbnail/1200x630/Pokemon-Go-Costume-Pokemon-header.jpg)