looks like a young person to look mature, but it does not look like they're trying to look mature. Men's fashion can be as modest as a woman, and if you notice a girl in a black dress before, then you can appreciate what fashion did that get your attention can do the same for you to gain the attention of other ladies, gentlemen, or representatives of your future path school, work, etc.
So, if this is all about boundaries when you're a young adult, then men's fashion may be causing more problems than solve-you're young, do you really know what you want more? You May not Know your limits of taste in men's fashion. So, experiment with the following in mind: the appearance of mature, but not like you're trying. Basically, men's fashion for young adults is just like high school all over again, play it cool and indifferent, and you'll do well.
The best way to look as though they are trying hard to make it casual, jeans are still your best friend whether you're a young person or just plain young. Blazers are a great start, but they do not pair with pants if you go out into the real world, it would be too mature, but Blazers simply create a glow of maturity. All in all, it seems California rocker is the definition of young men's fashion.
Quick Tips
California rocker look is all about keeping it simple. Invest in a few buttoned down shirt and a prominent graphic shirts. Prominent? This means that it is easy on the skulls and all other emo-ish that might seem more modern than the mature. Again, it's about keeping it moderation, not too ripe, and a graphic tee's are acceptable. Your jeans may be any color, in theory. However, for best results, go dark as you can before hitting the black and dark navy, gray-ish blue, or even other dark colors like dark green or dark red can pull a mature look that is not too mature.
Think of it like a stereotypical black color for wool pants and trousers are too mature. So, avoid black jeans, and you'll avoid looking like you're trying to take seriously. Otherwise, you'll be pulling the rebellious appearance, which may not be exactly what you are going for.
Blazers should be a solid color. However, if you are trying to look different from the pack, then go for a dark color pattern that is anything but dark gray. Introduction to, the dark matter, scream old geezer who is out too ripe ... In addition, there is nothing you can really mess up. Also, you can experiment with interesting collars. There is almost no such thing as too flamboyant of the collar if and only if, a blazer is a solid color. If the blazer has a thing going for itself, "interesting" collar can be overkill-you'll look like they're trying again.
In addition, blazers, trousers, and all without too many skulls, crosses, etc., avoid logos. Logos such as Billabong scream high school, is better than that, you're better than that
.