Mid-to-moderate pronators, prepare to get your blood pumping. This is the shoe for adrenaline junkies, cushion lovers and stability freaks alike. The Brooks Adrenaline GTS 6 is the latest advancement in the most versatile running shoe out there. Now featuring progressive posting for ultra-smooth transitions through the gait cycle. Microfiber upper with Element™ Air mesh and linings. Full-length S-257™ midsole with heel and forefoot HydroFlow® cushioning. Progressive Diagonal Rollbar (PDRB™), dual density DRB™ Accel, S-257™ Cushsole, engineered Stable-Pod configuration. HPR™ sponge rubber outsole. Wt. 9.7 oz.