Rigidity tuned shanks maintain stability across uneven terrain

The Birkenstock Birki Flow EVA, a true classic for any season, features ample air vents to keep your feet feeling fresh. Taking after the cork sandal, it's crafted from the ultra lightweight and extremely flexible EVA material. This premium, odor-free EVA is fashionable, lightweight, flexible, waterproof, and gentle on your skin.

Non compression toe box maintains anatomical space during downhill motion.