ASICS NOVABLAST 4 / BLACK/BLUE EXPANSE What gives the NOVABLAST™ 4 running shoe extra bounce? Full-length FF BLAST™ PLUS ECO foam creates a softer and more energised running experience. Trampoline-inspired outsole design provides more bounce. High midsole and unique geometric design ensure extra energy return What else makes the NOVABLAST™ 4 shoe a great choice? This shoe is designed with energy return in mind, and we’ve spent hours testing it at our Institute of Sport Science (ISS) in Japan.
