Shine in Metallic Sandals With Funnel Heel from Mango. The sandals feature strappy design, funnel heel, slingback design and no fastening. With a history spanning four decades, Mango is one of Europe's leading fashion brands. From Barcelona, on the banks of the Mediterranean, they delight the world with their fashion proposal and lifestyle. Mango's creative team works every day to translate fashion trends into their own language, which they deliver to customers in a personalized way while paying attention to detail.