Protects it from weather damage.
Overcoat is an ability that protects the user from damage caused by weather effects such as hail and sandstorm. This means that Pokémon with Overcoat will not take the usual damage from these weather conditions at the end of each turn.
| Cloyster | Hidden | Unknown | |
| Forretress | Hidden | Unknown | |
| Pineco | Hidden | Unknown | |
| Shellder | Hidden | Unknown |