A charcoal v-neck sweater and skinny jeans? It's easily a wearable look that you could work on a day-to-day basis. Wondering how to complete this ensemble? Wear a pair of black leather derby shoes to amp up the wow factor. Can you see how very easy it is to look dapper and stay comfortable when cooler weather hits, all thanks to combinations like this one? And if we're talking fashion tips for 30-year-old gentlemen, this ensemble is ideal.