Designed to help world class marathoners reach their goals, the Adidas Adizero Adios 4 Boost Running Shoe will help propel you to a new personal best and then some. Whether you're lacing up for a speedy track workout or the local 10k, this shoe's ultralight weight and responsive cushioning will help push you forward to glory. Hanging just around seven ounces, you'd barely even notice you had shoes on if it wasn't for the high-rebound effects of the Boost midsole. Delivering one of the highest energy return rates on the market, Boost cushioning gives you an energized ride with every step, which you're bound to appreciate as you pick up the pace towards the end of your race. Continental rubber on the outsole provides traction on both wet and dry surfaces, keeping you ready for anything race day brings you, while the breathable and lightweight mesh upper guarantees that hot and stuffy feet won't be a problem as you push for the finish line.