We’ve arrived at that pivotal week—the liminal stretch where late-summer haze still clings to the day, yet there’s no denying fall is at our doorstep. And already, next season's must-haves are moving fast. Case in point: the —perched right on the precipice of selling out, despite temps still hovering in the high 70s. ( is also doing a western boot, but less expensive versions by and work too.) Also emerging: bags built for 24/7 office hours that actually carry it all while still looking polished, like Sienna Miller's  get, below, and this sleek . Think that transition from morning meetings to late dinners without breaking stride. Other next-big-things I want to invest in before they're gone: , , and . All future classics!