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 : 4 centimeters. LEATHER : Maximum quality and durability. Made of high quality leather. NATURAL CREAM : It cleans and nourishes. For its care we recommend the Callaghan Natural Cream. LINING : Breathable. Highly breathable and resistant fabric.