This one's got running roots. Easygoing and flexible, it uses deep grooves in the sole for a “barefoot-like” feel. Plush details around the collar and soft foam underfoot deliver comfort you have to try. Benefits Leather and mesh combine for a lightweight and comfy feel that's durable, breathable and easy to wear. Deep grooves in the sole are designed for flexibility, so every step feels natural—a staple of the Free franchise. Soft foam underfoot provides lightweight cushioning.