If the setting permits a casual outfit, reach for a crew-neck t-shirt and black leggings. You could perhaps get a bit experimental on the shoe front and dress down this getup by slipping into navy athletic shoes.
Navy Athletic Shoes with Crew-neck T-shirt Outfits For Women
This pairing of a crew-neck t-shirt and black leather skinny jeans is the ultimate cool-girl's casual getup. Navy athletic shoes will bring a sense of playfulness to an otherwise sober look.