TR sole
TR sole - thermoplastic elastomer characterized by a very high resistance to abrasion and bending. It has excellent anti-slip properties
Gore-Tex
Gore-Tex is a breathable and waterproof system for keeping your feet dry throughout the year. Gore-Tex is a fabric of microscopic pores which are 20 000 times smaller than a drop of water. Fabric features protective layer on the shoe tab and secured seam make the shoes waterproof. Each pore is 700 times greater than the water vapor molecule so that the air inside the shoe can easily get out and the feet even in warm weather stay dry and cool.