Get a better return on investment energy investment, that is with the Adidas Women's Energy Boost 3 Running Shoe. The boost midsole delivers better energy return than any other cushioning material for a lively feel with each stride. Unlike EVA, boost performs consistently whether it's freezing cold or brutally hot, and it also won't break down so it keeps bouncing back season after season. The dual Torsion System allows for a smoother heelstrike to midfoot stance transition. The mesh upper is breathable to keep your foot cool and dry, and the boost heel clip provides a dynamic heel fit that works with the boost foam to adapt at touch down. A new outsole design delivers increased cushioning while maintaining dependable traction and durability.