The BIRKENSTOCK Boston Pro is a true classic that can be worn effortlessly all year round. The sole provides a secure and comfortable footing thanks to its two components. It consists of a polyurethane (PU) midsole and a slip-resistant, dynamic, lightweight outsole made of thermoplastic polyurethane (TPU). Additionally, the outsole is also repairable. Therefore, the clog is particularly suitable for daily use in the hospitality industry.