Brooks Men's Adrenaline GTS 16 Silver/ElectricBrooksBlue/Black 11 4E US Mesh Mesh DNA Midsole An innovative cushioning system that adapts to runners of all sizes and speeds, providing a custom ride. Segmented Crash Pad Made up of fully-integrated shock absorbers to provide cushion and smooth heel-to-toe transition, maximizing the efficiency of every stride. Ideal for Flat to Medium Arches Midsole Drop 12mm