New York-based is weathering spring in the cutest lightweight knits--that even fly in steamy St. Barth's and Miami! Now those are some high-performing knits I need! The striped crochet short-sleeve cardigan, above, is from , and the cashmere matching set, below, is by . Also cool-looking over a swimsuit: this dress, this oversized polo (last pic), this fringed , this skirt, and this striped .

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