3WF1006 On Running Women's Cloud 6 The Cloud 6 is the staple that grounds any style. It is their ever-evolving signature shoe, upgraded with bigger CloudTec cushioning and more comfort for whatever your day brings. Midsole : Made with bio-attributed Zero-Gravity foam, which uses renewable materials from ISCC+ certified bio feedstock, such as waste cooking oil. Speedboard: Engineered for optimal all-day performance, torsional support and stability – stable landings, soft toe-offs. Zero-Gravity CloudTec for a cushioned feel New sock liner for easy step-in Wider opening for a broader, more inclusive fit Upgraded in shape and structure Speed lacing: Elasticated laces that you don't need to tie. Slip your shoes on and off with ease and speed. Tip: If you need a tighter fit, just retie the knots at the ends.