The new outsole design of adidas Energy Boost 3 running shoes delivers increased cushioning for an even higher level of comfort and protection. An adaptive landing will help enhance the efficiency of your gait cycle. Give your stamina the push it needs for higher mileage runs.Upper: Ghillie loop lacing system ensure a secure midfoot fit. Midfoot tongue wraps around the foot to provide dynamic arch support and superior fit. Techfit™ provides lightweight and flexible support. Mesh offers breathable flexibility. Midsole: Full-foot boost™ midsole provides unmatched energy return and superior cushioning. EVA rim creates structure to help guide and allow the foot to remain in the neutral plane. Dual TORSION® SYSTEM allows for a smoother heel-strike-to-midfoot stance transition.Outsole:boost™ heel clip provides a dynamic heel fit that works in unison with the boost™ foam to adapt at touchdown.