Treksta Asta GTX Treksta Asta GTX low hiking boots are revolutionary outdoor footwear, where every single piece fits perfectly to the shape of the foot. Materials: upper: leather and textiles lining and insert: textile sole: a mixture of rubber Nestfit It is distinguished by Nestfit technology that lifts and gives it a feeling as if walking barefoot . The complete fit of footwear with Nestfit technology is the result of a computerized analysis of more than 20 000 foot rer digital configurations of the shoemakers' hoof. The result of these analyzes is a shoe that fits perfectly to the foot and ensures the stability and comfort that are necessary during the strenuous activities. Each part of the footwear fits perfectly to the shape of the leg, allowing for up to 23% less pressure on your foot and up to 31% less muscle fatigue . Hypergrip The treasure of the Treksta Asta GTX hiking boots is Hypergrip sole. It is a patented rubber compound , characterized by a combination of exceptional strength and amazing adhesion - both on different tracks and on rocks. In all weather conditions, it also works perfectly in everyday walking in urban areas such as asphalt or concrete. The advantages of Hypergrip soles are high wear resistance, low weight and excellent slip resistance . Gore-Tex The Gore-Tex membrane ensures that your legs are always dry . It consists of more than 9 trillion microscopic small pores , which are as much as 20,000 times smaller than a drop of water , and at the same time 700 times larger than the water vapor molecule . With this Gore-Tex membrane, it ensures complete resistance to water intrusion from the outside, while allowing sweat to exit the shoe.