As you can see here, looking seriously chic doesn't require that much effort. Just pair a white turtleneck with navy dress pants and you'll look amazing. Feeling creative? Change things up a bit with low top sneakers. So as you can see here, it's an on-trend, not to mention season-appropriate, combo to keep in your transitional rotation.
For something more on the cool and casual side, consider this combination of a white turtleneck and grey sweatpants. The whole look comes together perfectly when you introduce a pair of low top sneakers to the mix. Keep this combo ready to go come warmer weather, and rest assured, you'll save a ton of time getting dressed on more than one morning.