Shake up your run and never have a dull mile with the Brooks® Ariel®. Element upper offers weather resistant protection in a light, breathable mesh material. Synthetic overlays deliver comfortable, light support. Internal support saddle keeps your foot securely locked in. Padded tongue and collar for added comfort. Moisture-managing Element sockliner promotes a cooler, drier environment. Full-Length BioMoGo midsole provides long lasting cushioning and is environmentally friendly. A non-toxic, natural additive encourages anaerobic microbes to break it down once it's been tossed into the landfill. Full-length Brooks DNA works with the BioMoGo to reduce impacting forces and provide superior protection. Progressive Diagonal Rollbar (PDRB®) delivers smoother transitions and promotes pronation control. DRB® ACCEL midfoot shank offers higher stiffness for medial support and lighter lateral stiffness for a smoother ride. HPR Plus, abrasion-resistant rubber outsole is highly durable for long-lasting wear. HPR Green is made from dispersed silica, resulting in optimal wet-dry traction. MC Pod design helps to set the foot in the most balanced and efficient position, promoting stability and responsiveness. Measurements: Weight: 11 oz.