Rubber sole - rubber with a high density is used in the production of highly durable outsole in order to ensure good adhesion stability and support the natural freedom of bending the foot while walking. Rubber sole is also used in some models to achieve sporty look.
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.