If you wish take your casual look up a notch, opt for a blazer and a black crew-neck sweater. When this look is just too much, dress it down by slipping into a pair of white leather low top sneakers.
Black Crew-neck Sweater with Blazer Chill Weather Outfits For Women
If the situation permits casual style, try pairing a blazer with a black crew-neck sweater. Go off the beaten path and shake up your look by finishing off with a pair of grey low top sneakers.