Subin is wearing:

BUMMERS T-SHIRT from GOLF WANG

Logo Sweatpants from Gosha Rubchinskiy

Raf X Stan Smith Strap from Adidas x Raf Simons

I don't know how I missed this song. Its really catchy. The group is new and its APink's brother group VICTON with their the debut song I'm Fine. Check it out and merry christmas.

See Also: 

VICTON'S 'I'm Fine' (2)

Hanse is wearing the Evil T-Shirt from Mort