Brooks Men's Beast Running Shoe 100% Mesh and synthetic Synthetic sole Full-length Brooks DNA gives the runner a customized cushion with each stride Long lasting cushioning BioMoGo midsole is also enviromentally friendly Extended Progressive Diagonal Rollbar (PDRB) controls excessive pronation DRB Accel enhances midfoot support Ultimate Sockliner adds a great first feel You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!