For a casual look, dress in a blazer and a navy crew-neck t-shirt — these two pieces work nicely together. If you wish to immediately dial down this outfit with one item, introduce white low top sneakers to this outfit.
Navy Crew-neck T-shirt with Blazer Relaxed Warm Weather Outfits For Men
If it's ease and practicality that you appreciate in a look, wear a blazer and a navy crew-neck t-shirt. For something more on the daring side to complement this ensemble, throw in a pair of white low top sneakers.