A double layer of CloudTec Phase(R) and soft Helion(TM) superfoam underfoot pillows every step. This comfort-focused midsole also absorbs impact and delivers a silky-smooth heel to toe transition. Making long-distance road runs feel like a dream. Design: The engineered mesh and upper construction deliver maximum breathability and comfort Updated tongue and eyestay designs give the shoe a sleek look and feel Knitted tongue for comfort and lock-in Sleek silhouette with bold color details for a standout look In-Shoe Comfort: Computer-optimized CloudTec Phase(R) sequentially collapses when your foot lands, creating a smooth heel to toe transition A double layer of CloudTec Phase(R) and Helion(TM) superfoam absorbs impact and gives super soft cushioning Durability & Traction: Rubber pads on outsole provide great grip on concrete Additional Details: Heel-to-Toe Drop: 12mm Best for: Long distance road running