He wears the necklace with this outfit as well. He also wears black pants and has a black sweater around his waist.
In MORE,BLOOD, he wears a black jacket with a black shirt underneath. He also wears black jeans and a necklace that is wrapped twice around his neck with a golden or bronze colored key on it. The ends of the red shirt appear to be ripped/shredded. In Haunted Dark Bridal he is usually seen wearing a black jacket with a red shirt underneath which has a brown belt around it. He also portrays scarlet red eyes with a slight pinkish hue.
Subaru has silverish light-lavender whitish hair, making his hair color not dissimilar to his brother, Kanato's hair color, both being the "purple" family of tones and colors.