Not sure if this is new info or not, but the Eevee you get from A Ripple in Time wears a party hat! : r/TheSilphRoad
Eevee Explorer Hat Barcelona - Pokemon TRADE - Registered - Read Description | eBay
Pokémon GO Shiny Holiday Hat Eevee – Trade 20.000 stardust (Read Describe) - PoGoFighter
Pokemon GO Eevee Evolutions - Complete GO-to Guide | My Geekology
Pokémon Go event Pokémon list: All costume Pokémon, including party hat Pokémon, flower crown Pokémon and every Pikachu costume explained | Eurogamer.net
DAY 1 SHINY HOLIDAY HAT EEVEE HUNT POKÉMON GO! - YouTube
Shiny Holiday Hat Eevee Live : r/TheSilphRoad
Review: Pokémon: Let's Go Eevee (Nintendo Switch) – Digitally Downloaded
How to catch Party Hat Pikachu and Eevee in Pokemon GO | AllGamers
Costumes with Pikachu and Eevee! | Pokemon, Pikachu, Eevee
My favorite hat for Eevee so far : r/PokemonLetsGo
Serebii.net on X: "Serebii Update: The Pikachu and Eevee hats are live in Pokémon GO https://t.co/oV6DIIA7Ub https://t.co/tsYOzKLHK7" / X
Pokémon GO's Winter Holiday Event 2022 Part 2 - Eevee and its Evolutions! - PocketMonsters.Net
✨Shaun Limit3d✨ on X: "98iv SHINY PARTY HAT EEVEE CAUGHT + SHINY PONYTA CAUGHT IN POKEMON GO! POKEMON DAY EVENT 2020!✨🌀✨💯😃 #PokemonGo #Limit3dArmy WATCH 👉🏽https://t.co/YP8VAZ9WdC https://t.co/ewbSCDZznR" / X
HOW TO GET SHINY EXPLORER HAT EEVEE! New *SUPER* Rare Costumed Shiny Pokemon! - YouTube
Eevee Spectrum Sleek 9FORTY Baseball Cap by New Era (One Size-Adult) | Pokémon Center Official Site