The Merrell Men's Mag-9 Shoe is a training shoe for running indoors or out. Hit the ground running with sticky Vibram TC5+ Outsole underfoot for plenty of traction. Flexible for comfort with a responsive EVA Midsole that won't give out. The knit and synthetic Upper holds up to abrasion and is soft and breathable to keep feet cool throughout the session. Features of the Merrell Men's Mag-9 Shoe Knit and synthetic Upper Stretch collar with lace for easy on and off Hyperlock TPU lm heel counter for security Integrated Footbed Flexconnect Dual-directional ex-grooves for agility and stability More responsive compression molded EVA Midsole for increased energy return and comfort Vegan friendly Vibram TC5+