A black crew-neck t-shirt and grey sweatpants teamed together are a sartorial dream for those dressers who love casual styles. Why not introduce a pair of navy and white canvas low top sneakers to the equation for an extra dose of style? When it comes to dressing for unpredictable fall weather, nothing beats a neat ensemble that transitions easily between seasons. This ensemble shows that transitioning from your 20s to your 30s is no reason to stop dressing casually.