If it's ease and practicality that you're seeking in an ensemble, try pairing a black v-neck sweater with blue jeans. If you're wondering how to round off, a pair of white canvas low top sneakers is a nice pick. A good, less conservative getup for gentlemen in their thirties.
Blue Jeans with Black V-neck Sweater Casual Outfits For Men In Their 30s
This relaxed pairing of a black v-neck sweater and blue jeans can only be described as seriously stylish. Black slip-on sneakers work wonderfully well with this outfit. Those who wonder how to rock modern casual outfits after thirty, this getup should answer your question.