Assault Vest

The Assault Vest (とつげきチョッキ, Assault Vest) is a held item introduced in Generation VI.

Description
''When held by a Pokémon, it increases the Sp. Defense stat by 50% but requires the Pokémon to only use damaging attacks.''

Locations

 * X and Y: It can be bought in the Battle Maison.
 * Omega Ruby and Alpha Sapphire: It can be bought in the Battle Resort.