Watch the miles pile up when you takeoff in the springy and comfortable Saucony Liberty ISO 2 running shoe. Predecessor: Liberty ISO. Support Type: Stability, moderate pronation. Cushioning: Plush, flexible response. Surface: Road, track. Offset: 4 mm. Engineered mesh upper with ISOFIBER reinforcements for a secure and lightweight fit. ISOFIT creates a dynamic fit system by adapting to the shape and motion of the foot. Lace-up closure. Padded tongue and collar. Smooth fabric lining offers a great in-shoe feel. Removable foam insole. EVERUN topsole supplies heightened energy return and lasting cushioning. Full-length EVERUN midsole is centered under the heel for maximum energy return upon impact. TRI-FLEX crystal rubber outsole offers enhanced force dispersion over a greater surface area, while also delivering optimal flexibility and traction. Medial TPU guidance frame provides ultimate motion control and stability. Heel/Toe: 22 mm/18 mm. Imported. Measurements: Weight: 10 oz Product measurements were taken using size 9, width D - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.