If the setting calls for a casually stylish outfit, you can always rely on an overcoat and a light blue sweatshirt. Feeling brave today? Mix things up by rounding off with black leather low top sneakers. Keep this getup in mind when spring sets it, and we promise you'll save a ton of time getting ready on more than one occasion. In your 30s, you want to start dressing more professionally. That's when combinations like this are a winning option.