For a relaxed outfit with a modern spin, consider teaming a navy quilted gilet with a navy gingham flannel long sleeve shirt. All you need is a great pair of black low top sneakers.
Navy Gingham Flannel Long Sleeve Shirt with Navy Quilted Gilet Outfits For Men
If you gravitate towards casual style, why not rock a navy quilted gilet with a navy gingham flannel long sleeve shirt? If you're not sure how to round off, a pair of black suede low top sneakers is a fail-safe option.