What would 270 miles of solo trav­el do for you? Kalen Thorien, pro­fes­sion­al ski­er and adven­tur­er extra­or­di­naire, finds a new kind of con­fi­dence while dis­cov­er­ing what it feels like to be tru­ly wild and free on a 18-day, self-sup­port­ed tra­verse through the Sier­ra Nevadas. Fol­low­ing her highs and lows from a first-per­son per­spec­tive, Out in the Sier­ra doc­u­ments all the emo­tions that come with the phys­i­cal exer­tion and tri­als and tribu­la­tions of life on the trail.