The new Adidas Questar Boost running shoes from Adidas have everything you need to beat your personal best. AdiWEAR outsole is made of strong, durable stuff to keep you running longer and harder than ever before. This fantastic new model features Boost in the midsole, which converts the energy of impact into an increased spring in your step. The brand new boostâ„¢ midsole built into the shoe provides a comfortable rebound sensation and gentle cushioning that doesn’t make your feet heavy in preparation for a light, fast run.