Topo Athletic Magnifly Running Shoe - Men's Synthetic Dual density midsole engineered for runners seeking more underfoot cushioning paired with a natural shape to provide cushioning and a responsive ride Lightweight mesh and printing techniques are used to eliminate seams and reduce weight. Neutral EVA midsole. Carbon Rubber Outsole. Removable footbed. WEIGHT: 8.8 OZ. (SIZE 9) Topo Athletic recommend sizing up 1/2 size from your regular shoe size.