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 LEATHER : Maximum quality and durability. Made of extra soft natural leather that provides great adaptability. NATURAL CREAM : It cleans and nourishes. For its care we recommend the Callaghan Natural Cream. LINING : Breathable. Technological fabric that is highly breathable, antibacterial, anti-odor and with microcapsules that smell like mint.