The Tempo 3 utilizes the anti-bounce technology of Wraptor stabilization to become the split-dropping secret weapon in your local point-to-point, half- or whole marathon.  Including a full two-liter water supply, space for a wind layer, Z-poles, and energy fuel, plus a WeatherShield pocket for your smartphone or mp3 player, the Tempo 3 lets you bypass the support stations on your way to the podium.  Also includes external crossover stretch mesh pockets with grab loops and an adjustable sternum strap.