White smooth calf leather sneaker trimmed with an iridescent heel counter. You need room for all those odds and ends, whether you're living a commuter lifestyle, using your purse as a diaper bag, or just like to have an extra pair of shoes on hand (you never know!). While Loewe designer Jonathan Anderson shared a snap of Marc Jacobs and Char Defrancesco donning the brand's buzzy pixelated...