Propet B10 Usher has the lightest ETPU foam outsole offered, which will keep you running in comfort.
- Breathable Knit upper from sustainable wood, bamboo, and cotton
- Double insoles and Ortholite foam provides high levels of cushioning in thinner layers of foam, perfect for high-impact sports
- Biodegradable ETPU foam provides a spring-like response for each step you take.