Sport the game-changing Saucony Switchback ISO trail running shoes and conquer all obstacles that stand in your way. Predecessor: None. Support Type: Neutral. Cushioning: Responsive. Surface: Trail. Differential: 4 mm. ISOFIT dynamic upper is a soft inner sleeve and floating support cage combined to create a dynamic fit system that adapts to the shape and motion of your foot. BOA Technology combines the dial lacing system with the ISOFIT construction. Plush tongue and collar. Breathable fabric lining offers a great in-shoe feel. FORMFIT performance contoured footbed. Removable foam insole. Full-length EVERUN midsole is centered under the heel for maximum energy return upon impact. EVERUN topsole supplies heightened energy return and lasting cushioning. PWRTRAC durable rubber outsole provides exceptional traction and abrasion resistance. Heel Stack Height: 22.5mm Forefoot Stack Height: 18.5mm Imported. Measurements: Weight: 10 oz Product measurements were taken using size 11, width D - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.