This is the Rieker N4212-31

the bottom made of synthetic

The fabric upper is designed with an elasticized slip-on style

Naturalista moved to a more structured design

The quality of these shoes is unmatched for the price

207968 adidas ultraboost pb m svartgra size:EU 41 1/3 This is the Rieker N4212-31Featherlight shoes made for fast runs. Meet your new best friend for your fastest, longest runs. The sleek silhouette and responsive comfort of Ultraboost show up ready for race day and beyond. These Ultraboost PB Shoes have an upper built with the lightest mesh adidas makes. Internal support locks down the fit when you're powering toward the finish. 3 Stripes inspired by Japanese calligraphy add to the fast feel. Regular fit Lace closure Celermesh