Marrying a denim shirt with a v-neck t-shirt is an on-point option for an off-duty outfit. Consider a pair of white canvas low top sneakers as the glue that ties this getup together. You know when it's blazing hot outside, sometimes only a neat outfit like this one can get you through the day. Wondering how to nail casual dressing as you work your way through your teenage years? This combination is a practical illustration.