SM4+ High Class Pack GX Battle Boost was released.

SM4+ High Class Pack GX Battle Boost is the fourth Japanese sub-set released during the Sun & Moon Era, and was released on October 20, 2017

The GX Battle Boost contains 114 cards (including 18 RR) and 6 SR, 3 HR and 2 UR, and all of normal cards are Mirror Holofoil.

SM4+: High Class Pack GX Battle Boost