If you're looking for an off-duty but also sharp getup, try pairing a grey blazer with a crew-neck t-shirt. If you need to easily play down this outfit with a pair of shoes, why not add white print leather low top sneakers to the equation?
Grey Blazer with Crew-neck T-shirt Relaxed Outfits For Men
Wear a grey blazer and a crew-neck t-shirt for standout menswear style. For something more on the casual and cool side to complement your look, throw in white canvas low top sneakers.