Roller Skates is a Key Item introduced in Pokémon X and Y, they are faster than Running Shoes in the previous games and its automatically actives with using the Circle Pad on the Nintendo 3DS system for outdoors and they can deactivated by pressing the D Pad for Walking. It is given to the first Roller Skater when it meet outside of the Santalune City Gym and win the battle with her. They can also use for gliding the Rails. You can get the back flip trick if you talk to a skater in the north part of Lumiose City.