Mizuno Men's Wave Rider 15 Running Shoe 100% Synthetic Synthetic sole Heel measures approximately 1.75" Platform measures approximately 0.75" Moderate Neutral Running Shoe with Dynamotion Fit - Stress relief for the upper and lateral stress. VS-1 absorbs shock and enhances cushioning properties by resisting compression-set, thus extending the cushioning life of the shoe. Mizuno Wave, SmoothRide engineered, composite Parallel Wave for superior shock absorption and dispersion with great transition X-10 outsole is the most durable carbon rubber that allows for longer wear in high impact areas and supplements traction in the heel strike. Smooth Ride - engineering approach to minimize the rapid acceleration and deceleration of the foot during transition, creating the smoothest ride possible Upper - Airmesh upper provides the utmost in breathability and comfort of the upper. AP Midsole is a lightweight, reponsive, yet durable cushioning copolymer. Weight: 10.6 oz Mizuno Intercool technology will revolutionize running shoe performance by ensuring that the foot stays cooler and less humid during running, thus reducing blistering and increasing comfort.