Take Kendall Jenner, for example. While out and about in L.A. last week, she was spotted in a casual yet chic ensemble: a cropped tank, a zip-up sweatshirt, The Row's Marlo Bag, and leggings.

Shop: Kendall Jenner's Airlift Leggings Another must-have is the Ribbed Prosper Tank. Whether you take notes from Jenner and wear it with matching shorts and flip flops for a quick errand run or ...