Saucony Guide 10 Mesh upper Imported TRI-FLEX sole Shaft measures approximately low-top from arch EVERUN Topsole for continuous cushioning Light Stability for runners looking for extra support Engineered mesh upper for dynamic lightweight fit Refined TRI-FLEX outsole design provides greater ground contact and optimal flexibility FLEXFILM, EVERUN Top sole Construction, Tri-Flex Outsole Design, Engineered Mesh Upper