Tecnica Women's Spider Low Trail Shoe 100% Suede and nylon The Net System goes over the upper and ensures both grip and stability thanks to differing thickness of the rubber according to the points of different traction. Tri-density rubber outsole has a hard-rubber skelton frame for torsional support, softer lugs allow adaptation to the terrain. Hard rubber cleats with certral shock-absorbing "core". Overlasting construction designed to ensure excellent foot wraparound. The midsole is covered by the upper down it's whole length to give water tightness and lightweight. This type of last features control and a performance fit. Molded E.V. A. midsole to reduce high impact with the ground when running. The particular Low-To-The-Ground profile gives lightweight and maximum contact with the ground. Lining designed for maximum breathability and foot comfort. Anatomically padded in points subject to most stress.