Features for these shoes include: MBT Running Index: Performance Upper: Breathable Air Mesh Food-bed: Removable Anatomically Shaped Anti-Microbial Mid-Sole: Tri-Density Out-Sole: High Abrasion Rubber Injection Molded Heel Counter for increased strength and support Drylex 360 Moisture Management System on collar and tongue lining MBT SensorTechnology in the heel complements the midfoot sensor by absorbing shock The MBT innovative Pivot Strike area provides runners with the ideal foot striking platform to transition into propulsion while enhancing support and cushioning Tri-density Midsole features extensive cushioning that allows for a better ride Buy Men's GTR Black Running Sneakers 702039-03Y Size 8 Online at MBT Shoes Official USA Store