Les Oeufs de Pokémon

Eggs can be found on the PokéStops and GYMs, on weekly Adventure Sync events. Also a gift your friends send may have one in it. They will hatch after travelling certain distances. The Pokémon hatched from Eggs apparently have higher IV's.

Oeuf de 10 KM
Oeuf de 7 KM
Oeuf de 5 KM
Oeuf de 2 KM