Channel your inner fashionisto and go for a grey shirt jacket and a black crew-neck sweater. For shoes, you could go down a more casual route with a pair of grey athletic shoes.
Black Crew-neck Sweater with Grey Shirt Jacket Warm Weather Outfits For Men
Such staples as a grey shirt jacket and a black crew-neck sweater are an easy way to introduce some polish into your casual routine. A pair of white canvas low top sneakers can instantly dress down an all-too-classic getup.