Fitwell SpiritIts padding makes the fit soft and comfortable. It has the classic construction of hiking boots, which makes it suitable for long approaches, even on the snow. It is also suitable for semi automatic crampons. Upper: Perwanger suede leather + PU; Lining: Leather + 4 layers waterproof Event membrane; Insole: Nylon + glass fiber; Sole: Vibram Teton + EVA shock absorbing 3 densities;