For a look that's super simple but can be modified in a myriad of different ways, consider pairing a grey v-neck sweater with skinny jeans. A pair of hot pink suede pumps immediately turns up the oomph factor of any outfit.
Grey V-neck Sweater with Skinny Jeans Chill Weather Outfits In Their 20s
Dial it down a notch in this comfy pairing of a grey v-neck sweater and skinny jeans. Black leather over the knee boots will breathe a hint of sophistication into an otherwise standard look.