Military Precision

An army-navy jacket ($475, Rag & Bone, Saks Fifth Avenue; 877-612-7257) goes from boxy to shapely with a nipped waist, portrait collar, and oversize patch pockets.
lug sole boot

Sturdy Stiletto

The familiar lug-sole work book ($395; becomes the hottest shoe of the season with the addition of stiletto heels and crisscrossed straps.
cargo pants

Precious Cargo

Cargo pants are comfortable and functional; this skinny-leg version ($231, J Brand, Bloomingdale's; 800-555-7467) with ankle zippers has the added benefit of being flattering.
faux diamonds

Big, Fabulous—and Fake

Faux Diamonds never looked so good: This crystal bracelet and emerald-like pendant ($140 and $40, Melania Timepieces & Jewelry; are red-carpet-worthy.
sweatshirt blazer

Sweat Shop

The sweatshirt ($149; takes a new form—this heather gray blazer gives office separates a more casual feel (and it works with jeans off the clock, too).

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