Booties are shoes or slippers with coverage that extends beyond the foot to cover the ankle and possibly part of the leg.
About Crocodile:
Crocodile as a fashion term, refers to articles made from the skin of a crocodile. Chosen for its exotic beauty and durable properties, the crocodile skin is a type of leather used in a wide array of luxury products such as handbags, wallets, shoes and briefcases.