Primegreen: This product has been made with Primegreen: a series of high-performance recycled materials. Mono filament translucent yarns REFLECTIVE STRIPES: So you want to run in the dark. Work goes late and you just can't get out for your daily 5km before the sun goes down. You need to be seen with reflective stripes ENGINEERED MESH: Lightweight and breathable material for higher performance ENGINEERED MESH: Breathability and support in specific areas where needed. BOUNCE: a lightweight elastic foam midsole that provides a fast, bouncy and comfortable ride. BOOST: Boost is an industry leading and revolutionary cushioning technology which gives the ultimate energy return. These men's shoes provide maximum comfort so you can take your training to the next level. They're made with a hybrid midsole featuring Boost in the heel and forefoot for smooth transitions and energy return. The technical look stands out while you train. This product is made with Primegreen, a series of high-performance recycled materials.