If you don’t already have a pair of soft cotton leggings in your closet, prepare to invest. You'll love them as much as your spandex ones, since they're a wardrobe staple that personal trainers swear ...

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Abby Gordon, chief design and merchandising officer at Alo, confirms that leggings have evolved far beyond their utilitarian roots. “Today’s customer wants it all: comfort, performance, and style,” ...