The evolution of trekking:Evolution of the model Nepal Trek, it has the same shaft as the model Nepal Evo, but with a less rigid structure, moreover it presents itself a lot lighter. Ideal for traditional alpinism, demanding trekking and for professional mountain hikers who always demand full performance in any situation. The use of Gore-Tex® lining makes the shoe waterproof and very breathable. The upper leather is equipped with the innovative "3D Flex System" to guarantee absolute freedom of movement in all directions in the area of the ankle. The new shape is particularly adaptable and comfortable. New insole made of PU of different thicknesses, particularly cushioning in the heel and ball area. Exclusive sole with IBS technology (Impact Break System), developed in collaboration.