The Birkenstock Boston Nova is a modern interpretation of the classic Boston model with a futuristic touch. The shoe can be made to fit perfectly thanks to the innovative G-hook buckle that offers optimum support. Thanks to its two components. the sole promotes stability and comfort. It comprises a cushioning midsole made from EVA and a slip-resistant outsole made from genuine rubber. The upper is made from soft fabric and high-quality. soft nubuck leather.