Those could be non-alcoholic beverages this skier is draining while his partner struggles getting on his traditional touring boots but I don’t really see that as the obvious conclusion. The HOJI Pro Tours are sick boots with some revolutionary features but DYNAFIT’s advertising messaging is suspect:

Francis Xavier is a seasoned writer for Unofficial Networks, bringing a lifetime of outdoor experience to his work. Having lived in a ski resort town for years he has a deep connection to mountain culture.... More by Francis Xavier