Marrying a pink sweatshirt with black chinos is an on-point option for a neat and relaxed getup. If you're hesitant about how to round off, a pair of white leather low top sneakers is a nice choice. This combo is a great idea when it comes to putting together a killer getup for summer-to-fall weather. As you go into your 30s, you want to start dressing more maturely. That's when combinations like this are a fail-safe option.