Forever Cool

Each year, 75 million baby boomers spend $100 billion on clothes--but you'd never know it to look at them. Alarmed by the fashion faux pas of her fellow fifty-plus peers, style consultant Sherrie Mathieson set out to help them update their personal style yet remain age-appropriate. While her theory is to skip formulas and mix it up, she counsels her boomer brethren to avoid trying too hard (Ladies, what's worn in Vegas, stays in Vegas; guys, flowered shirts are so Beach Boys).She presents stylish, contemporary twists to classic looks (a simple, sleekly cut black suit is punched up with…