Brooks Womens Adrenaline GTS 13 Running Shoes Midsole: Anatomical Brooks DNA, Full-length BioMoGo, Progressive Diagonal Rollbar, DRB Accel, Combination Last, Heel and Midfoot Catepillar Crash Pad, Omega Flex Grooves, Flextra, Universal Platform Outsole: HPR Plus, Forefoot Stable Pod Construction, Blown Rubber Forefoot, Omni Grooves Upper: 3D Fit Print, Profile Sockliner, Adjustable Saddle Construction, Moisture-managing Element Mesh and Linings, Synthetic Overlay Materials, Internal Support Sadddle