Fizik Transiro Powerstrap R4

The Transiro Powerstrap R4 by Fizik is a highly advanced cycling shoe specifically designed for triathlon use. With its race-stiff R3 unidirectional full carbon outsole, it offers outstanding power transfer, allowing energy to be efficiently converted into speed. The modified ventilation slots enhance breathability, which is particularly beneficial during intense competitions. The PU-laminated mesh upper not only ensures optimal ventilation but also provides necessary support in critical areas. The intuitive Instep Powerstrap allows for quick and secure fastening, while the Infinito technology offers extended size adjustment in the forefoot area. The independent fit adjustment for the arch and forefoot provides additional comfort and a personalized fit that is crucial for optimal performance.

• R3 Full UD Carbon outsole for maximum stiffness and power transfer
• PU-laminated mesh upper for improved ventilation and support
• Instep Powerstrap for quick and secure fastening
• Infinito technology for extended size adjustment in the forefoot area
• Volume Control for personalized fit adjustment of the arch and forefoot.