Altra Rivera Femme Size:8.5 it retains heat while the Chandails de course et d'entraînement pour hommes it retains heat while the ACCU DRI® moisture management technology ensures you stay dry when moving around 02 kg Packed Size 20 9oz 197g• AltraEgo™ midsole for an unmatched responsive yet soft ride• Engineered mesh upper for light weight comfort• Neutral InnerFlex™ midsole technology for increased flexibility and performance• Bio heel designed to mimic the natural form of the human heel for a smooth heel to toe transition• Stack height: 26mmBenefits• Balanced cushioning: Place your heel and forefoot the same distance from the ground for more speed and improved performance• Footpod™ Technology: Technology that adapts to the bones and tendons of your foot to help them bend and move naturally• Fit4her™: The Fit4Her™ technology allows us to adapt each women's shoe to the unique shape of the female foot