Peter Millar Blue Plaid Button Up (Size M) 💙 Premium Peter Millar button-up in a clean mixed blue plaid that’s perfect for dressing up or keeping it casual. Lightweight, soft, and easy to style with jeans, chinos, or shorts. Timeless preppy look with quality that lasts—an everyday wardrobe staple. ✨ #petermillar #preppy #oldmoney #plaid #buttonup