Why not pair a black overcoat with grey sweatpants? Both of these items are very functional and will look cool when married together. Grey athletic shoes are guaranteed to add a dash of stylish nonchalance to this outfit. Overall, a great example of relaxed casual style for 30-something Millennial guys.
Grey Sweatpants with Grey Athletic Shoes Cold Weather Outfits For Men In Their 30s
A brown puffer jacket and grey sweatpants are the kind of off-duty essentials that you can wear for years to come. Flaunt your fun side by finishing with a pair of grey athletic shoes. Overall, a good example of off-duty style for 30-something men.