A fitted jacket, a preppy sweater-shirt combo, skinny jeans and riding boots—this outfit is timeless and chic.

• You tend to wear polos and penny loafers or simple sheath dresses and pumps.
• Your wardrobe is straight out of a Ralph Lauren ad.
• Your muses are Kate Middleton and Katie Holmes. 

Jacket, $33, sizes S–L; forever21.com. 2-in-1 sweater, $36, sizes S–XL; cableandgauge.com. Jeans, Denizen, $28, sizes 2–18; target.com. Earrings, $7; claires.com. Bag, $25; forever21.com. Boots, $100, sizes 5½–10; at Marshalls.