In ski touring, the ascents are not carried out using ski lifts but on skis thanks to a particular equipment of sealskins. They are fixed on the soles of the skis and can be combined with special aluminium spikes when the snow is very hard. Ski ascents often alternate with segments done one foot, with skis on the shoulder or on the back (as seen in this photo), when the slopes are too steep or when the terrain isn’t suitable for skiing.