This smart pairing of a brown shirt jacket and a long sleeve shirt is super easy to pull together in no time flat, helping you look sharp and prepared for anything without spending a ton of time digging through your closet. If you don't want to go all out formal, complete this ensemble with a pair of mustard canvas low top sneakers. This combination isn't a hard one to nail and it's season-appropriate, which is more important when it's blazing hot outside. This ensemble shows that as a 20-something gent, you have a wide range of outfit options.