This city casual pairing of an olive long sleeve shirt and charcoal ripped skinny jeans is very easy to put together in no time flat, helping you look amazing and ready for anything without spending a ton of time digging through your wardrobe. Finishing off with low top sneakers is a surefire way to give a dose of class to your ensemble. Those wondering how to pull off cool casual dressing in your 20s, this combination should answer your question.