HOW TO WEAR
: The classic shape works with pantsuits, as well as with blouses and pencil skirts. But it's also sharp next to jeans and a blazer.
WHAT TO AVOID
: Carrying it to an evening event. This purse is polished, but it's strictly for daytime.
SHOP THE LOOK
: (from top) Embossed leather with metal studs, Lauren Merkin, $525; 212-239-2459. Leather, DKNY, $345; at select DKNY stores. Leather and canvas with metallic leather trim, Louis Vuitton, $2,400; louisvuitton.com
. Leather with metal, Balenciaga by Nicolas Ghesquière, $2,595; 212-206-0872. Leather with metal, Tod's, $1,425; tods.com