Squirtle wearing sunglasses is now appearing in Pokémon GO to coincide with the Pokémon GO x Ed Sheeran event | Pokémon Blog
How to get Sunglasses Squirtle in Pokemon Go: Squirtle Squad version - Dexerto
Pokemon GO will soon feature a Squirtle with sunglasses | VG247
Can we get both types of sunglasses that the Squirtle Squad had? It would be nice to have a leader one with triangular ones, with four other squad mates! : r/pokemongo