FEATURES of the Brooks Men's Adrenaline ASR 12 Trail Running Shoe BioMoGo DNA midsole provides adaptive cushioning Progressive Diagonal Rollbar (PDRB) for added control Full-length Segmented Crash Pad delivers smooth transitions Rugged outsole for better traction on tricky terrain Durable water-resistant (DWR) upper stands up to the elements Midsole: BioMoGo DNA Progressive Diagonal Rollbar (PDRB) DRB Accel Combination Last Full-length Segmented Crash Pad Omega Flex Grooves Flextra Universal Platform Outsole: HPR Plus HPR Green Forefoot Stable Pod Construction Upper: Profile Sockliner Adjustable Saddle Construction Synthetic Overlay Materials Moisture-managing Element Linings Waterproof Breathable Membrane Hydrophobic Foam Package Internal Support Saddle