From rain soaked trails to mud caked gravel roads, the Brooks Men's Adrenaline ASR 12 GTX Trail Running Shoe keeps you running comfortably and confidently through the wettest, nastiest conditions. Its waterproofbreathable Gore Tex membrane kills any qualms about running in less than ideal weather and trail conditions. Providing stability for mild to moderate overpronators, tthe Adrenaline ASR 12 GTX features Brooks' Progressive Diagonal Rollbar for added stability. This tri density midsole keeps your ankle from moving inward. Combined with its Full length Segmented Crash Pad, the shoe delivers super smooth transitions. The shoe's BioMoGo DNA midsole acts like millions of flexible nanosprings for unbelievable energy return and adaptive cushioning to your running style and local terrain. Toss in a High Performance Rubber HPR sole with aggressive traction and Omega Flex Grooves for a shoe that treads over the roughest trails and wettest conditions with unflappable poise.