Double layer of CloudTec Phase for a soft and smooth ride; Helion superfoam for maximum cushioning; Impact-absorbing midsole adds to effortless feel; Knitted tongue for comfort and lock-in; Rubber pads on the outsole for grip; Lightweight and breathable mesh upper; Next-generation eyestays for comfort; Best for long-distance runs; Materials: Upper Unit: Recycled polyester / Bottom Unit: Outsole: Rubber; Heel to toe drop: 6mm; Weight: 262g