It has the generic feline like body common for all the other evolutions of Eevee, with a pair of crimson cat eyes and yellow bands on its ears and tail. Umbreon's forehead and legs have yellow rings on them, that resemble the symbol of eclipse, they are said to glow at night. Umbreon can spray a poisonous sweat whenever it gets agitated. Despite its appearance, Umbreon is a Pokémon of strong endurance. Umbreon tend to be found in dark areas such as thick forests, but are most commonly found under the care of people.
Source from Wikipeida