Design: Soft engineered mesh offers three amazing advantages: Lightweight so you can feel fast, a structured fit for stability, and breathability for airflow so your feet stay cool Synthetic leather midfoot band stretches across the top to give you a secure and stable feel Classic lace closure In-Shoe Comfort: Zoom Air unit in the forefoot brings a quick off-the-ground sensation Cushlon foam gives a responsive and bouncy feel with every stride Padded foam collar gives extra comfort and support around the ankle Durability & Traction: Rubber sole has a waffle-inspired traction pattern to help grip surfaces and provide durability Cutout grooves increase flexibility for a better transition from heel to toe Extra skin layer across the toe tip provides added durability for those who drag their toes