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For a DIY three-piece suit in a mix of colors and textures, layer a fitted turtleneck under a contrasting knit and top it with an oversize blazer. (Blazer, $70, Zara.com; Knit, $15, Forever21.com; Turtleneck, $22, Gap.com)

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Airy drop earrings are professional yet cutting-edge. (Danielle Nicole, $36, Amazon.com)

Photo: Jeffrey Westbrook/Studio D.

Found: the perfect desk-to-drinks dress. The neckline says office hours; the bold pattern says happy hour. (Worthington, $28, JCP.com)

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If you want to look pulled together but feel super cozy, belt a long sweater-vest over a striped button-down. (Vest and shirt, $70 and $55, Gap.com; Belt, $42, VinceCamuto.com)

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Swap your usual pencil skirt for something with a bit more flair, like a twirlworthy pleated midi. (Zara, $36, Zara.com)

Photo: Jeffrey Westbrook/Studio D.

Meet your new work bag: a classic cognac tote that’s roomy, lightweight and structured, not schlumpy. (Charming Charlie's, $35, CharmingCharlie.com)

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A pointed-toe Mary Jane flat is as sleek as any high heel. (Marc Fisher, $69, MarcFisherFootwear.com)

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Is it 5 p.m. yet? Nail all your deadlines with the help of a felt-banded watch. (Leonard and Church, $95, LeonardandChurch.com)

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This chunky sweater works overtime thanks to the poplin layer. Pair it with skinny pants and heeled loafers for a streamlined look. (Rachel Rachel Roy, $99, RachelRoy.com)

Photo: Jeffrey Westbrook/Studio D.

Replace basic black trousers with a pinstriped navy pair. Then add a feminine touch with a waist-defining belt. (Pants, H&M, $60, HM.com; Belt, White House Black Market, $25, WHBM.com)

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With their subtle details and varying sizes, these bangles were made for stacking. (Silis, $80 and $50, Silis-USA.com)