Why not wear a charcoal crew-neck sweater and black dress pants? As well as totally comfy, both of these items look good combined together.
Charcoal Crew-neck Sweater with Black Dress Pants Dressy Outfits For Women
The pairing of a charcoal crew-neck sweater and black dress pants makes this a knockout laid-back look. A chic pair of black leather oxford shoes is an effective way to va-va-voom this getup.