A navy cardigan and light blue jeans are worth being on your list of menswear must-haves. Rounding off with tan suede chelsea boots is the most effective way to give a hint of polish to this look. A great example of transitional fashion, this outfit is ideal when spring comes. As you head into your 30s, you probably want to start dressing like an adult. That's when combos like this are a solid bet.
A navy cardigan and light blue jeans are a great combo to have in your current casual wardrobe. In the footwear department, go for something on the relaxed end of the spectrum by rounding off with a pair of blue canvas high top sneakers. So if you're scouting for an outfit that's seriously stylish but also feels totally spring-ready, this one fits the task well. All in all, a good example of relaxed casual fashion for 30-year-old gents.