The Glycerin Flex for men will help you keep pace during your run. The flex groove in the midfoot, combined with innovative cushioning, provides a soft and smooth stride, from ground contact to propulsion forward.Perfect forRoad running, Daily runs, Long runs, Training for races or at the gymCushionCushionComfortable fitExperience a particularly soft ground contact and a relatively powerful toe propulsion.SupportSupportFlexible supportThe FlexZone™ technology offers flexibility in the midfoot that adapts to the body's movements of the wearer.Midsole Drop6mmWeight9.1oz / 258.0gProduct FeaturesFlex groove at the midfoot, Soft and snug cushioning, A comfortable and flexible fitDurability62.8% recycled materials in the upper