Adidas Vanaka Trial Womens Black Running TrainersThe upper is made of synthetic materials enriched with mesh (mesh) elements. They provide excellent air circulation in the shoe, while protecting against water. Inside the shoes there are specialized insoles that are perfect for running shoes. The outsole uses Traxion technology , which provides excellent adhesion to the ground. The tread design has been designed for safe ascents and descents. In addition, the sole uses the following systems: