Under what circumstances do the 12 professional teams wear team jackets?

Custom Teams based on the 12 NPB teams will wear Club Jackets under these conditions:

Exhibition Game mode: Purchase "Always Climax" from the Pro Spirits Shop and turn it ON. Then start a night game at an outdoor stadium in Exhibition Game mode.
Season Mode: Worn during games at outdoor stadiums in March, April, May (night games only), October (night games only), and November.