The fine stripe adds just enough detail to keep the outfit from reading as plain loungewear, and true black underneath keeps it grounded. The shirt's soft and breathable, and the jogger's brushed fabric with a real drawstring waist holds up through a full day on the couch. Picture a day that's mostly emails and maybe a walk around the block if the weather cooperates. It's a low-effort outfit that still looks like a choice, not a compromise.
Finish with black socks and slides.