New Without Box. Never worn. No stains or defects noted. With a sugarcane-based material that’s soft in all the right spots and cushiony where it counts, the Sugar Zeffer is about to become your new summer staple. The perfect blend of bounce & cushion Made with SweetFoam®, Allbirds’ proprietary material made from sugarcane and the world’s first carbon negative green EVA (EVA = the material used in just about every footwear sole) Straps made with 100% recycled polyester For half sizes, going up a size is recommended Size: Unisex Women's 11/Men's 9