Including under-$100 picks from Free People, Topshop, and Mango. Being a former sweater designer, I’ve seen hundreds of yarn, patterns, and silhouette combinations—and yes, I do have a favorite.

And yes, it's machine washable! Shoppers name this sweater as "the cutest" and "designer-inspired," adding that "it's stylish but comfortable." Related: Loft Has a Luxurious Mock Neck Top on Sale ...

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