Why not consider wearing a tan blazer and a hoodie? As well as totally practical, both of these pieces look nice worn together. This getup is probably what you've been looking for as a teenager.
Tan Blazer with Hoodie Warm Weather Outfits For Men In Their Teens
For a casually classic menswear style, team a tan blazer with a hoodie — these two items play nicely together. Take an otherwise all-too-safe outfit down a more laid-back path with a pair of white canvas low top sneakers. Dressing inspo like this will help you look incredibly stylish as you move through your teenage years.