Birkenstock Mayari Silver Birko-Flor $80 This pretty, airy sandal has slender straps and soft toe wrap that is really comfortable. Both straps are adjustable for a custom fit. Classic Birkenstock cork footbed provides superior arch support, a deep heel cup for stability and will eventually form to your own feet. Long-wearing EVA soles are lightweight and flexible and provided a cushioned walk. Resoleable.