>>34252935It's because Alola is fucking warm every day and if you lived there you'd also want to wear clothes that let your armpits breathe a little. You know, just thinking your character designs through so they make sense with the setting.
Only character who seems out of place is Gladion, earing a sweater in that kind of weather, what is he thinking? At least Wicke has the excuse that she spends all day in an air conditioned office, Gladion is running around outside training his Silvally, that boy crazy and stupid.