The NOVABLAST 4 is a great choice if you want a shoe with extra resilience. The shoe is lighter, offers better energy efficiency than the previous version and is made to make you run faster. Feel energised, with every step you take. It's no surprise that this is the favourite running shoe among athletes. The shoe's FF BLAST PLUS ECO foam provides a softer, more energised run and offers extra resilience through the trampoline-like outsole. The unique design and higher midsole give you extra energy efficiency while running. What else makes the NOVABLAST 4 a great choice? This shoe is designed with more energy efficiency in mind. We tested and perfected the shoe extensively at our Institute of Sports Science (ISS) in Japan. The NOVABLAST 4 has additional technical features to support you during your runs.