This combo of a red and black gingham long sleeve shirt and a white print crew-neck t-shirt is undeniable proof that a safe casual outfit can still look really interesting. Look at how great this ensemble is complemented with a pair of white and red leather low top sneakers. Come baking hot sunny days you're looking for an outfit to keep you comfortable and on-trend –– this outfit is ideal for this time. Those who wonder how to rock cool casual looks as you navigate your 20s, this ensemble should answer your question.