By encapsulating a super springy foam and a propulsive plate inside a firmer EVA foam, the Zephyr is able to offer race day responsiveness with the durability of a daily trainer. Features: Midsole: - Lightweight EVA frame houses the plate and Zip Foam Core while providing durable stability. - Zip Foam Core adds plush responsiveness to the shoe. - Plastic Plate in the midfoot aids in stability and propulsion. Outsole: - Rubber Outsole strategically placed in the forefoot and heel for added durability and traction. Upper: - Open Mesh is thin, lightweight, and breathable. - Printed Upper Pattern adds durability and support. - Anatomical Toe Box provides an extra-wide toe box shape to promote a more natural toe splay From a smoke-free but pet-friendly home. Interested? Make an offer 😊