If you're after a casual but also stylish look, wear a blazer and an olive crew-neck sweater.
Olive Crew-neck Sweater with Blazer Outfits For Women In Their 30s
A blazer and an olive crew-neck sweater are a pairing that every cool girl should have in her off-duty sartorial collection. For something more on the classier end to round off your look, complement this outfit with black leather ankle boots.