For an ensemble that's very easy but can be manipulated in plenty of different ways, opt for a light blue v-neck sweater and jeans. When it comes to footwear, this outfit is rounded off perfectly with white and green low top sneakers. Can you see how extremely easy it is to look seriously stylish and stay snug when colder weather hits, thanks to this ensemble? Perfect if you're searching for some amazingly inspiring style for 30-something guys.