- Birkenstock x Dior Maori style global limited edition, the joint product reinterprets TOKIO mules and MILANO sandals, two iconic Birkenstock items, blending practical functionality with elegance, paying tribute to Mr. Dior's passion for gardening. Surface: Wool felt cowhide Back strap Inner: wool Sole: Cork midsole and EVA rubber backing Code number: 35-45,