Why not pair a blazer with a grey henley shirt? As well as totally functional, both pieces look amazing when combined together. A pair of grey slip-on sneakers can integrate really well within a ton of combinations.
Grey Henley Shirt with Blazer Warm Weather Outfits For Men
Go for a blazer and a grey henley shirt to demonstrate you've got serious styling prowess. And if you wish to easily ramp up this look with shoes, complement this ensemble with a pair of black leather loafers.