ADAPTACTION TECHNOLOGY : It adapts to your feet and to the 5-8mm width increase they experience during walking ADAPTLITE : Extra light.XL extralight, very lightweight and flexible material that provides cushioning. INSOLE : Shoe with removable insole HEEL HEIGHT : 2.5 centimeters. LINING : Breathable.Technological fabric that is highly breathable, antibacterial, anti-odor and with microcapsules that smell like mint.