Crosstrak shoes are suitable for outdoor activities and hiking. Their sole is the Contagrip Winter model, and the material doesn't harden even in freezing temperatures. The manufacturer recommends these shoes for temperatures as low as minus thirty degrees, but there are significant differences in situations and how people tolerate the cold. These are lightweight and relatively thin shoes designed for brisk winter walks, and for most people, they are suitable from around freezing temperatures to light frost. - Salomon fit: slightly narrow, especially at the toe - adv.DRY membrane provides protection from moisture - adv.WARM insulation fiber (contains 70% recycled material) - Toe cap protection at the front - Heel-to-toe drop: 10 mm, heel height 39 mm and front height 29 mm