IMPROVED COMFORT TAKES FLIGHT. The Presto Fly soars even higher with the Nike Presto Fly World. An improved collar fit offers ease of entry, while a layered construction in the midfoot is both visually striking and lets your foot move naturally. Full bootie and updated collar let you slip the shoe on and off easily. Layered materials create a midfoot cage, providing a secure fit that lets you move naturally. Outsole has a hollow core for a lightweight, flexible feel. Synthetic leather heel cage reimagines the classic Presto heel cage, providing a contoured fit to your foot. Rubber pods are strategically placed to provide traction in high-wear areas.Upper - Textile, Lining and Sock - Textile, Sole - Other Materials.