Gear up for fun and adventure with the upgraded Saucony Peregrine ISO trail running shoes. Predecessor: Peregrine 8. Support Type: Neutral. Cushioning: Lightweight, flexible response. Surface: Trail/Grass. Differential: 4 mm. ISOFIT dynamic upper features 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. EVERUN topsole supplies heightened energy return and lasting cushioning. Lace-up closure. External heel counter helps lock down the foot. Padded tongue and collar. Soft fabric lining for next-to-foot comfort. Removable foam footbed. PWRFOAM midsole offers a smooth ride and added rebound. Sticky PWRTRAC rubber outsole supplies long-lasting traction and abrasion resistance. Stack Height (Heel/Toe): 22.5 mm/18.5 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.