Synthetic Imported 4mm cleats deliver superior trail traction, each with water dispersal channels to provide maximum grip Lightweight underfoot cushioning delivers superior comfort without compromising on ground feel Grooves in the outsole allows multi directional flexibility, allowing the shoe to move naturally with the foot Zero drop heel provides a low to the ground barefoot feel, promoting a natural running form Size note: The shoes come up a 4 on our fit scale (1 narrow - 5 wide) Product description The inov-8 Terraultra 260 trail running shoe delivers high-level shock absorption without compromising on-ground feel, delivering ultimate comfort during long runs. Shoe Fit Scale: Grade 4. inov-8 shoes are designed with Met-Cradle technology to lock down the mid-foot for a stable hold. Graded on a scale of 1-5, Grade 1 represents the closest, most precise fit. Grade 5 has the widest fitting toe box. The perfect go-to shoe for long-distance runs. Lightweight, durable textile and synthetic uppers with EXTEROFIT technology that reacts to the natural movement and swelling of the foot when running longer distances. Lace-up closure. Zero-drop shoe biomechanically designed to move naturally with the foot. Padded tongue and collar. 6mm POWER FOOTBED. Breathable mesh lining for a great next-to-foot feel. EXTEROFLOW midsole reduces shock impact and delivers high levels of underfoot cushioning. 4mm cleats with water-dispersal channels, prevents aquaplaning for superior trail traction. Grooves in the outsole and midsole provide multi-directional flexibility and ensures high-levels of exteroception allowing natural foot movement. DFB (Dynamic Fascia Band) shank mimics the Windlass Effect to deliver a jolt of energy with each stride. E-GRIP sole compound delivers secure foot placement. Imported.