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