Banana Republic: Versatile not-so-basic basics. (Sizes 00 to 16, sizes XS to XL; BananaRepublic.com)
Cultivating a healthy body image is important to Sage (she advises middle-school girls). A whirl of taffeta, sexy yet covered (Rickie Freeman for Teri Jon, $640), enhances her hourglass shape.
Charles Nolan: One of our favorite high-end options for office-to-evening style. (Sizes 2 to 16; Saks.com)
Chico's: Travelers by Chico's sports a wrinkle-resistant fabric. (Sizes 0 to 3.5, comparable to 4 to 18; Chicos.com)
Hilton Hollis: Beautiful blouses and other underpinnings in rich colors. (Sizes 0 to 16, Gus Mayer, Birmingham, Alabama; 205-870-3300)
The Limited: We love the gray pinstriped suit from the L3 Travel Collection—it's machine washable! (Sizes 0 to 18, sizes XS to XL; TheLimited.com)
Rickie Freeman for Teri Jon: Dramatic evening dresses, like their taffeta dress with a fitted waist. (Sizes 2 to 16, Neiman Marcus; 800-365-7989)
Thomas Pink: Known for tailored shirts. (Sizes 0 to 16; ThomasPink.com)
Earrings, Nordstrom Crystal Collection. Clutch, Rodo.