isothermal barriers insulate against extreme temperatures

This elite-level super shoe delivers soft, responsive cushioning that absorbs impact, maximizes efficiency, and helps you feel your best, so you reach the finish line. Ideal for everyday runners with marathon target times of about four hours or more. The glass fiber-infused Speedboard enhances efficiency and confidence. Its geometry is engineered to support all types of running styles. Combined with Helion HF and a cushioned heel, landings and push-offs feel energized and comfortable. The ultralight, breathable mesh upper cleverly molds and adjusts to your foots movements over long distances and time. Feels like nothing, so you can focus on the race.

Style - 3MF30310462

moisture wicking liners maintain climate control during temperature shifts