Women's Pikolinos Cantabria - Nata If you're looking for elegant sneakers, Pikolinos Cantabria sneakers are perfect for you. Their adjustable elastic closure allows for a perfect fit on the instep and makes them very easy to put on and take off, making them even comfier. The sole has ideal ergonomics and adapts to every step the wearer takes. They have a very special design, with small punched perforations in the leather making a series of decorative motifs that also allow your feet to breathe. Flexibility, softness and comfort are the main features of this design. DETAILS: Upper: 100% calfskin leather Inner lining: 75% other materials and 25% textile Sole: 100% synthetic Cushioned insole Removable insole Elastic closure Thickness of the sole 4 cm (1.5") The memory foam insole contains 85% recycled material. maximum arch and heel comfort due to arch support technology giving extra cushioned support.