In the new version IV, the Ultra Fastpack is much better. It incorporates the innovative waterproof and breathable FUTURELIGHT & trade; technology. Thanks to the nano-yarn membrane, the fabric offers exceptional breathability so that you can benefit from a waterproof shoe to walk without getting hot or sweating, whatever the weather.
They have OrthoLite & reg; X35 & trade; Hybrid & trade; provide cushioning and responsiveness, and, along with FastFoam & trade; midsoles, maximize energy return for a much more efficient stride rate.
The Ultra Fastpack IV Mid FutureLight are specifically designed for demanding routes: the design of the sole is improved to adapt to undulating and rocky terrain; the material Vibram & reg; Megagrip & trade; does just what its name suggests: it grips on any wet, dry, loose surface ... and the reinforced toe cap and heel tab help protect from impacts and bruises to the toes and ankle. < / p> Features:
|Outer Fabric / Membrane|
|Recommended Use||Hiking & Trekking|