Design: Soft engineered mesh with recycled polyester for lightweight comfort and flexibility Precision-engineered using Finite Element Analysis (FEA) Less TPU plastic used for reduced environmental impact In-Shoe Comfort: CloudTec(R) Phase midsole for a smooth stride Shock-absorbing Helion(TM) superfoam with a soft padded heel Durability & Traction: Missiongrip(TM) rubber outsole for traction and stability Additional Details: Weight: 300g / 10.6 oz Heel to toe drop: 8mm Total recycled content: About 31% / Plastic: About 97% recycled