Birkenstock New Unisex Super Birki Clogs Black 36 R Interior and exterior longitudinal arch support contours to your foot shape. Deep heel cup holds your foot in place. Durable EVA outsole offers a flexible feel and can be repaired for long-lasting shoe wear. Alpro foam upper and upper lining, cork / latex insole, EVA outsole. Heel Height: 1. Care: Wipe off with a damp cloth. Air dry.