Consider pairing a shawl cardigan with a blazer if you want to look sharp without spending too much time. Serve a little mix-and-match magic by finishing with white leather low top sneakers.
Blazer with Shawl Cardigan Casual Warm Weather Outfits For Men
This pairing of a shawl cardigan and a blazer looks stylish, but it's extremely easy to copy too. You know how to give a more casual spin to this look: navy and white canvas high top sneakers.