Saucony Guide running shoes are great support shoe which provide smooth, supportive guidance without sacrificing fit, flexibility or light weight.. They feature a FlexFilm upper which enhances fit without adding weight. Everun Topsole - a new material which is more lively and responsive than standard EVA. It also returns 83% of the energy absorbed to continually give back even at the end of the run when needed most. This is placed closer to the foot allowing it to shape to the foot distributing force over a greater area reducing peak pressure. This provides a livelier more responsive run. Tri-Flex Outsole works with Everun topsole for increased force dispersion over greater surface area. Also provides enhanced flexibility and traction.