Birkenstock Arizona Gator Gleam Two-Strap Comfort Sandal Get das original, the iconic Birkenstock sandal in a metallic gator gleam design perfect for summer excursions. The Birkenstock footbed reacts to the warmth of your body and actually conforms to the shape of your foot. So the more you wear them, the more comfortable and custom they become. Casually chic and easy on your feet.