Iceland Birkis Iceland The Iceland is a leather-free sandal with two straps similar to the Arizona but the back strap hugs the ankle more closely. The cork footbed is sculpted to match your feet, providing great arch support for long-term comfort. Sansibar Birkis Sansibar This sturdy waterproof sandal is perfect for the beach, the pool, or the garden. Three straps across the top keep it snugly on your foot and give it maximum adjustability.