For a look that's extremely easy but can be styled in a multitude of different ways, try pairing a red and black plaid dress shirt with black ripped skinny jeans. Does this look feel too classic? Let a pair of tan suede lace-up flat boots switch things up.
If you're looking for a relaxed casual yet incredibly chic getup, try pairing a red and black plaid dress shirt with black ripped skinny jeans. Rounding off with a pair of white low top sneakers is the most effective way to inject a sense of casualness into your look.