The Puma Mostro Flex takes its name from the Italian word for monster and is a hybrid creation drawing inspiration from 1960s sprinting spikes and 1980s surfing shoes. This version is designed for enhanced comfort with a lightweight and flexible slip-on upper.

• Slip-on design
• Lightweight and flexible construction
• OrthoLite® sockliner
• Elastic closure
• Rounded toe
• Flat heel
• Spikes on the sole as a design detail
• Puma branding details