Women's Pikolinos Vigo - Nata Even if you don’t care much about looking smart, it is important to make sure your feet are comfortable and you feel like your true self. That’s what happens with the Pikolinos Vigo ankle boots for women, with laces for maximum comfort thanks to their snug fit. DETAILS: Upper: 100% calfskin leather Inner lining: 75% textile and 25% pig skin Sole: 100% synthetic Removable insole Type of close: Laces and zip Thickness of the sole 3 cm (1.18'') Shaft contour 22 cm (8.66'')(size 37 eur/4uk/6,5-7 usa) Extra Comfort The Memory Foam insole contains 85% recycled material. Maximum arch and heel comfort due to arch support technology giving extra cushioned support