Why not consider teaming a blazer with a v-neck t-shirt? As well as super practical, both pieces look nice together. All you need now is a pair of beige suede boat shoes to round off your look.
V-neck T-shirt with Blazer Hot Weather Outfits For Men
A blazer and a v-neck t-shirt worn together are a perfect match. And if you need to instantly dress down this look with one piece, why not add a pair of white leather low top sneakers to the equation?
For an off-duty look, consider teaming a blazer with a v-neck t-shirt — these pieces work pretty good together.