Sandra Lahnsteiner has made extreme skiing into a lifestyle, constantly pushing herself in search of new adventures. In addition, she’s engaged in other exciting projects and has started her own production company, making freeski movies. Her second film, called “Shades of Winter”, is coming out this autumn, and she’s working on her next project for 2016. Lahnsteiner has many interests, and XSTM Power Drink is proud to stand behind her career as her personal sponsor…