There are also fabrics and patterns that are instantly recognizable as prep-approved: plaid, argyle, stripes, and almost anything cable knit or pleated also falls into the preppy outfit category.

Plaid can be preppy, when seen in suiting, or for the lumberjack in a flannel shirt. Plaid recalls heritage in the form of a Scottish kilt. But can plaid outfits be stylish and chic? This spring ...

Read more: How To Pull Off A Topless Blazer Moment Without Feeling Too Exposed Taylor Swift's "1989" era really saw the pop star adopting some iconic preppy-and-plaid outfits. While the "Blank ...

Last week, the actress stepped out in Paris for the last day of Fashion Week in a casually preppy look that repped ... Blair incorporated plaid and houndstooth pieces into her Upper East Side ...