Men's Triumph RFG from Saucony is a versatile training shoe for men, featuring an upper made from recycled yarn. The midsole is crafted with cushioning and energy-returning PWRRUN Bio+, which includes 55% corn-based foam, while the outsole is made of natural rubber and is durable on various surfaces. \n\nCushioning PWRRUN BIO+\nInsole made of PWRRUN BIO+\nSuitable for long sessions, volume training, everyday use\n Saucony Men's Triumph RFG Navy | Buy Saucony Men's Triumph RFG Navy here | Outnorth