Take flight in the innovative and performance-heavy Saucony Freedom ISO Running Sneaker. Unleashing the potential of every run, this women's sneaker has a lightweight ISOFIT System that morphs to the shape of the foot for a custom feel. A Tri-Flex crystal rubber outsole provides durability, and full-length EVERUN midsole delivers more energy with every stride. With the RunDry collar lining, this sneaker wicks away moisture to keep you dry on your runs. An engineered mesh upper lends a dynamic fit, and a Streamlined Support Frame grips the heel. ISOFIT System. EVERUN midsole with EVERUN topsole. Tri-Flex crystal rubber outsole. Streamlined Support Frame. RunDry collar lining. Mesh upper. Fit: True to Size. Outsole: Rubber. Upper: Mesh.