With every seasonal shift comes the excitement of busting out a fresh look. But if the thought of procuring yet another "new" coat and "now" pair of jeans makes you feel dizzy, angry, or just depressed, here's a dose of fashion relief and reality: You don't need a closet overhaul to shake up your style. A couple of seal-the-deal accent pieces can—poof!—transform the old jeans-and-tee getup into an enviable outfit.
Pebble Modern top-zip bag, $298, Bodhi, (212) 888-6288. Cashmere silk scarf with bird toile print, $450, Leigh & Luca. Dorado riding boots, $458, The Frye Company.