These can be purchased in the shop using various different currencies or tickets, while others can also become available through the Battle Pass and other various means This is a purely cosmetic feature that only activates when the Pokémon reaches its optimal/final evolution, unless it is a Premium Holowear. Holowear is a special feature in Pokémon Unite that essentially acts as a costume for the Pokémon.
Mystery Dungeon: Blazing, Stormy & Light Adventure Squad.Pokémon Battle TrozeiPokémon Link: Battle.