A very stylish pair of boots! Leather outer and soft soles, perfect for baby's first steps. We love the trendy look and meticulous details. Material Content Upper: leather Lining: leather Insole: leather Sole: non-slip in durable elastomer Plus points of these boots Leather outer Comfortable design to guarantee support Zip fastening on the inner side under blocking tab: quick to put on Rigid counter to support the foot correctly Leather Zip-Up Boots - black