If you're scouting for a relaxed casual and at the same time incredibly chic getup, consider pairing a biker jacket with a navy and white crew-neck sweater.
Navy and White Crew-neck Sweater with Biker Jacket Casual Chill Weather Outfits For Women In Their 30s
For an off-duty getup, wear a biker jacket and a navy and white crew-neck sweater — these two pieces fit really great together.