Consider teaming a charcoal crew-neck t-shirt with jeans to bring out the dapper in you. Grey athletic shoes will bring a relaxed aesthetic to the getup. So if you're looking for style ideas on what to wear as a teen, this ensemble is definitely worth saving for later.
If you don't take fashion too seriously, go for neat and relaxed menswear style in a charcoal crew-neck t-shirt and jeans. With footwear, go for something on the relaxed end of the spectrum by finishing with white leather high top sneakers. This getup illustrates that a teen's sartorial options are in no way limited.