Credits Doha Abdelati / JKS's Wardrobe
@JKS_Wardrobe [170228 JKS INSTAGRAM UPDATE] @AsiaPrince_JKS wears: ☆ COLLECTE DE ZIKZIN Black Zip-Up Hoodie. ☆ NIKE Classic99 Washed Golf Hat.
Maps it's presumed he was when taking his "walk":
As a side note, Namchunchoen is where he was for his final episode of My Ear Candy when he rode the zip line to Nami Island.