The Cloud 6s geometry is upgraded in shape, structure and volume for superior comfort, cushioning and stability. The shoe's midsole is made with bio-attributed Zero-Gravity foam, which uses renewable materials from ISCC certified bio feedstock, such as waste cooking oil.A wider opening and new sockliner deliver an easy step-in, while its improved heel construction offers more support. Upgraded geometry provides an incredible on-foot feeling, making all-day wear a walk in the park. Versatile and ready for anything.