For Fall 2013, Phillip Lim managed to make sweatshirts infinitely cooler by adding a side zipper and rendering the classic in different fabrics from to lustrous to . I am, in a word, obsessed. Designers like and (love!) are also coming out with compelling derivations of this silhouette. I have a very strong hunch this is something we will all want to put in our weekly rotation, come autumn.

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