adidas adiSTAR Men's Blue Rush/Turbo/Legacy Indigo Inspired by the idea of perpetual motion, the adidas adiSTAR is a different type of distance shoe. Its rocker geometry improves forward propulsion to keep you moving after every step. Enjoy steady support as the lightweight REPETITOR foam works with a firmer REPETITOR+ foam to create a dual-density midsole. The firmer 15% recycled EVA in the heel absorbs shock while stabilizing your stride. If you're looking for a shoe to wear during long and slow runs, then strike softly and push forward in the adidas adiSTAR! Shoe Technology Upper: Engineered mesh upper with internal support cage for support. Yarn in the upper contains at least 50% Parley Ocean Plastic and 50% recycled polyester. Midsole: Soft and lightweight REPETITOR foam platform combines with firmer REPETITOR+ foam to create a dual density midsole. Firmer 15% recycled EVA in the heel protects and stabilizes any heel strike. Forefoot rocker geometry triggers forward momentum to push you ahead with every step.Outsole: Continental™ rubber delivers reliable traction on wet or dry surfaces.