Description:The Terrex Agravic Ultra has been created in close collaboration with one of the world's fastest ultra trail runners, Ekaterina Mityaeva. It is one of the first trail running shoes from adidas to feature a TPE bio-based plate that's made out of 90% renewable carbon.Details:Continental Rubber outsoleDual-layer Achilles protection and midsole rock protection plateSnug midfoot with slightly wider toe boxLightstrike and Boost midsole with carbon plate layerSize 11.5