Twisted X Women's Kicks LeatherLace up, or don't! These Kicks bring the color, comfort, and eco cool you didn't know you needed. Leather upper Blend85 footbed is constructed with 85% recycled foam and lined with ecoTWEED, a sustainable material made from recycled plastic bottles Durable rubber outsole Nylon laces. Also features elastic gore panels on the tongue that allow the shoe to be worn without laces.