This Grown-Up Backpack is a Class Act

Time for a style lesson with a little help from Standard Style.

This month we’re stealing a page out of the back-to-school fashion books and swapping our usual shoulder bags for luxe backpacks, such as this Elizabeth and James “Cynnie Sling” design, $545, from Standard Style, which we’ve spotted slung over the stylish shoulders of several celebrities, including Reese Witherspoon and Karlie Kloss.