Better fit The shoe’s “engine” is revolutionized for a brand-new feel. With Zero-Gravity foam for comfort and stability. A new nylon blend Speedboard provides plenty of flex and support. A smooth ride The step-in experience is improved with a wider middle bootie – and a more stable heel pillow, to help you move faster, too. A 14 mm high drop retains the smooth ride you love. Innovative materials 50% bio-attributed Zero-Gravity foam, made out of renewable materials like waste cooking oil. Meaning 20% less CO2e emissions created compared to standard EVA midsoles. More sustainable upper Made with 95% recycled polyester, the mesh upper is light, soft and airy. Plus, for most of our FW24 colorways, the yarn is dope dyed – a coloring process that uses 90% less water. The breathable design of the new, engineered mesh upper is inspired by our racing shoes. Eight of the twelve colorways for FW24 feature a dope dyed upper for reduced water usage. / Thinner and more flexible, the new nylon blend Speedboard is light, Recycled polyester & TPU, Zero Gravity Foam & Rubber & CloudTec ️ & Nylon 6, Non-Waterproof