Princess Diana's Harvard sweatshirt? One of those instant-hit pieces—everyone knows it, feels it in their gut, wears it nonstop. Packs royal charm, 90s easy vibes, and that low-key confidence still firing up style heads today. Perfect for New American Jackets' blog—search gold with celeb throwback, college cool, and comfy-forever appeal all in one jacket. Di's style sticks cuz it...