If you don't like putting too much work into your combinations, consider pairing an olive open cardigan with black chinos. Finishing off with a pair of white canvas high top sneakers is a fail-safe way to infuse a more laid-back vibe into this ensemble.
Olive Open Cardigan with White Canvas High Top Sneakers Outfits For Men
This is irrefutable proof that an olive open cardigan and a white crew-neck t-shirt are awesome when worn together in an urban look. Complement this ensemble with white canvas high top sneakers and ta-da: this ensemble is complete.