The Sonora Sandals are designed for those who love spending their day outdoors and seek a high level of comfort. This Cross Town version is a sportier model for fans of Birkenstock and outdoor sports. They feature a polyurethane sole, directly molded onto the footbed. Flexible, adherent, and extremely comfortable, these sandals will accompany you on all your summer adventures. The outer upper is made of oiled nubuck leather, a natural and durable material. These are the perfect summer shoes for going on an adventure! Anatomically shaped cork and latex footbed Outer material: oiled nubuck leather Insole: suede leather Sole: polyurethane (PU) Details: two straps, each with an individually adjustable metal pin buckle; dual-component sole Birkenstock Sonora Oiled Leather - Sandals - Women's | Hardloop