The Birkenstock Unisex Arizona Essentials EVA Sandals are a true classic. The high-quality, odour-neutral EVA is designed to combine numerous positive attributes. The shoes are ultra lightweight and highly flexible with a waterproof design. They are also modeled on the cork sandals, which are easy to care for. The deep heel cup provides support for the foot tissue and holds the heel bone firmly in its natural position. The heel mold activates the calf muscles and stabilises the back of the foot, while the longitudinal arch supports surround the tarsal bones. The transverse arch support stabilises the metatarsal bone. The toe grip prevents the toes from getting cramped and supports the natural rolling motion of the toes. The footbed is drawn up especially high at the front to protect the toes during the rolling motion of the foot.