To don an off-duty outfit with a fashionable spin, you can easily rock a white v-neck t-shirt and navy shorts.
White V-neck T-shirt with Navy Shorts Casual Hot Weather Outfits For Men
This combo of a white v-neck t-shirt and navy shorts looks awesome and makes any gentleman look infinitely cooler. You can get a bit experimental on the shoe front and elevate this getup by sporting hot pink suede boat shoes.