Sz 6 On Cloud Cloudboom Echo 3 Women’s Road Racing Shoes Undyed-White/Mint NWB #running #cloudboom #echo3 New with box Women's 6 (youth 4.5) Midsole & Cushioning Helion™ HF Hyper Foam: Made from a premium, ultra-soft Pebax® compound. It provides high energy return and responsive cushioning specifically for long-distance performance. CloudTec® Sole: Signature open cloud elements that compress diagonally during impact to absorb shock and provide an explosive takeoff. Rocker-Shaped Carbon Speedboard®: A full-length carbon-fiber plate shaped aggressively to rock your stride forward, increasing propulsion and fast-paced geometric rolling transitions. Upper & Lockdown One-Piece Microfiber Upper: Engineered out of 100% recycled polyester to be extremely thin, light, highly breathable, and minimize water absorption.