Why not wear a tan long sleeve shirt with grey jeans? Both items are super practical and will look awesome when paired together. Complement your getup with a pair of black leather derby shoes to effortlessly boost the fashion factor of any getup. Come blazing hot summer days you're looking for an ensemble to keep you comfy and dapper –– this outfit is just what you need. A practical illustration for any gentleman who's not sure how to dress as a 30-year-old man.