For something more on the relaxed side, try this combination of a short sleeve shirt and a v-neck t-shirt. Balance out your look with a more polished kind of shoes, such as this pair of black leather casual boots. It's a viable pick if you're picking out a standout ensemble for in-between weather.
Why not marry a short sleeve shirt with a v-neck t-shirt? Both of these items are super comfortable and will look great paired together. White leather high top sneakers are guaranteed to add a hint of stylish effortlessness to this look. A kick-ass summer-to-fall outfit like this one makes it super easy to welcome the new season.