Shock-absorbing Running Shoes with Breathable Upper - 8 USShock absorbing Running Shoes with Breathable Upper 8 US Combination of durability and support Engineered mesh upper stretches with the foots natural motion Synthetic fiber stitching on overlays improves support GEL technology cushioning for shock absorption Guidance Line midsole technology generates a more natural and consistent stride Flex grooves in outsole increase shoes flexibility OrthoLite sockliner provides excellent moisture management and