PUMA Men's Complete Vectana Running Shoe 100% Synthetic leather and mesh Exceptional first instep and performance with extra medial stability for runners with overpronation Breathable sandwich mesh offers ventilation for more comfort and a decreased risk of blisters EverFoam collar construction molds to the foot for a customized heel fit EverRide blown rubber offers a lighter and more responsive outsole with a softer ride and push -off, EverTrack serves as a highly abrasion-resistant rubber outsole composite.