This casual combo of a denim shirt and a v-neck t-shirt is very easy to put together in no time flat, helping you look on-trend and prepared for anything without spending a ton of time rummaging through your wardrobe. White canvas low top sneakers look right at home here. A great summer option, you can wear a variation of this getup throughout the summer season. Those who are curious how to rock modern casual dressing as you are making it through your teen years, this ensemble should answer your question.