The Birkenstock Sydney proves that form and function are anything but mutually exclusive. With its two simple straps, it's a real hit with women who want both high fashion and comfort. This version features a playful, floral pattern. The creative production process means that no two pairs are the same - just like the flowers in a meadow. This popular sandal has been given an update in a new material, with a vegan version now available. It is entirely free of animal products, as verified by independent testing laboratories. The upper is made from the skin-friendly, hard-wearing synthetic material Birko-Flor.