Design: Synthetic upper and textile lining Lace closure for a secure fit Wavy details on the upper show your commitment to clean oceans Yarn in upper contains at least 50% Parley Ocean Plastic and 50% recycled polyester / Minimum 10% less emissions per pair when compared to its previous version In-Shoe Comfort: Combined BOOST and Bounce midsole for ultimate comfort Durability & Traction: TPU-injected outsole adidas Women's Supernova 2.0 x Parley Running Shoes