Never Worn sold without box For days when you want both comfort and style, slip on these smooth leather slides with an adjustable roller-buckle strap and flexible molded footbed. Upper: 100% leather. Lining: 100% leather. Outersole: 100% polyurethane. Do Well: leather sourced from a tannery that was certified by the Leather Working Group (LWG), an organization that works to promote sustainable environmental practices in the leather industry. Imported.