Light Enough To Keep You Fast. Rugged Enough To Handle The Trail. Lace Up These Adidas Running Shoes For Long Trail Runs. The Sock-Like Knit Upper Is Reinforced With Abrasion Resistance Where You Need It Most. The Lugged Outsole Delivers Confident Grip Across Dirt Descents And Scree. The Incredible Energy Return Of Adidas Boost Gives You The Power To Keep Your Feet Moving. This Product Is Made With Primeblue, A High-Performance Recycled Material Made In Part With Parley Ocean Plastic. 50% Of The Upper Is Textile, 75% Of The Textile Is Primeblue Yarn. No Virgin Polyester.