As you can see here, it doesn't require that much effort for a man to look effortlessly classy. Just opt for a polo neck sweater and white chinos and you'll look incredibly stylish. Make a bit more effort now and complete this ensemble with a pair of dark brown tassel loafers. So if you're on the lookout for a killer outfit that transitions easily into spring, this just might be it. When it comes to outfit ideas for 20-something gents, this look is ideal.