Brooks Adrenaline ASR 11 GTX - Men's A low-cut trail running shoe that's designed to withstand those rainy day runs. Breathable GORE-TEX membrane upper for waterproof protection to keep your feet dry. Durable synthetic overlays for targeted support. Hydrophobic foam package resists water and moisture. Internal Support Saddle for increased support. Anatomical Brooks DNA midsole for customized stability and cushioning. Full-length BioMoGo for long-lasting plush in an environmentally-friendly package. Progressive Diagonal Rollbar (PDRB) for progressive pronation control, as well as smoother transitions throughout the gait cycle. DRB Accel for torsional rigidity in the mid-foot, while allowing the heel and forefoot to act independently. Heel and midfoot Segmented Crash Pads for smoother transitions. Flextra elements for forefoot stability. Universal Sprung Platform for enhanced fit and function. Full-length S-257 Cushsole for even more cushioning and flexibility. HPR Plus outsole for long-lasting durability in high-wear areas. HPR Green is engineered to set the foot in an efficient, balanced position from heel strike to toe-off for flexibility and an unrestricted forefoot ride. Stable Pod Construction components work together to center the foot for a more effective, balanced stride from heel strike through toe-off. Omega Flex Grooves for more natural forefoot movement and fluidity. Wt. 11. 8 oz.