Design: adidas PRIMEKNIT+ upper wraps the foot with a supportive fit that enhances movement Upper is made with a high-performance yarn which contains 50% Parley Ocean Plastic and 50% recycled polyester Lace closure offers a secure fit In-Shoe Comfort: Linear Energy Push System increases midfoot and forefoot stiffness, reducing the amount of energy exerted in every step Light BOOST midsole has a unique molecule design to achieve the lightest BOOST foam to date while delivering ultimate comfort, cushioning, and responsiveness Durability & Traction: Continental Better Rubber is a sustainable compound made from 70% natural rubber, 20% virgin rubber, and 10% conventional rubber Additional Details: Weight: 10.3 oz (size 9) Midsole drop: 10mm (heel: 22mm, forefoot: 12mm) adidas has reduced the carbon footprint of this pair of shoes by a minimum of 10% when compared to its previous version From raw material extraction, processing, and packaging, all the way to the end of the product's life, adidas calculates and communicates its carbon footprint, conforming to an internationally recognized standard: ISO 14067. The concise footprint results made available to you, cover the complete lifecycle of the product. This is just one of adidas initiatives to help reduce our footprint.