If you'd like take your casual style to a new level, try teaming a grey long sleeve shirt with black chinos. Wear this outfit to achieve a more conservative look as a guy in his 30s.
Grey Long Sleeve Shirt with Black Chinos Smart Casual Cold Weather Outfits In Their 30s
Go for a grey long sleeve shirt and black chinos if you seek to look cool and relaxed without spending too much time. Black leather derby shoes will inject a touch of refinement into an otherwise utilitarian ensemble. A nice outfit to uphold a professional image.