On the safe side of style, a pair of jeans is the right pick. Comfortable, basic, and of course easy to wear. I bet there's no one without a pair in their closet.
Top: Forever 21 / Jeans: Ritta & Emma / Bag: Sophie Martin / Sandals: Brash
Top: Divided by H & M / Cardigan: Gap / Jeans: RRJ / Shoes: Vans