Men’s size 13, never born worn and still in box. Made from natural materials (such as natural rubber, plant oils, and agricultural byproducts), the Plant Leather is 100% plastic-free, 100% vegan, and 100% destined to be a classic. Best For: Walking, everyday wear, setting your own pace Sustainable Plant Leather: A 100% plastic-free alternative leather crafted from natural materials (such as natural rubber, plant oils, and agricultural byproducts) for a categorically new aesthetic that’s smooth to the touch. Versatile Design: Wear-with-everything classic style meets all-day comfort.