MUYU Women Winter Metal Decorative Rough Heels Biker High Boots black Made of mix material,in order to you can buy with suitable shoes, please see our size chart carefully Rubber sole Shaft measures approximately 15.57 from arch Platform measures approximately .75" Natural rubber sole,solid durable Brazil imported soft material Fashionable metal decorative,rust protection and corrosion resistance,sturdy and durable Zipper design of portable Elegant heel design