This combination of a shawl cardigan and charcoal jeans is a safe and very stylish bet. You could perhaps get a little creative on the shoe front and complement your getup with black leather derby shoes. As you're transitioning from your 20s to your 30s, you want to start dressing more like a mature gentleman. If that's the case, outfits like this are a never-failing option.
Charcoal Jeans with Shawl Cardigan Smart Casual Warm Weather Outfits For Men In Their 20s
Such essentials as a shawl cardigan and charcoal jeans are an easy way to infuse subtle dapperness into your casual repertoire. When it comes to footwear, go for something on the classier end of the spectrum and complete this look with a pair of tan suede chelsea boots. Semi-casual getups for stylish young gents aren't actually that hard, as you see.