I am 5'10" and measure 27 inches (68.5 cm)...
I am 5'10" and measure 27 inches (68.5 cm) from my fingertips to the ground - wearing ski boots. If using this axe for ski moutaineering and touring, what length do you recommend?
For ski mountaineering and ski touring I almost ALWAYS prefer a shorter axe. The times you are using it are less frequent and it is almost always when you are on steep terrain, so the need for a longer axe is reduced. Go with a 50-55cm axe. I am 6'2" and I would use a 50, just because then it is lighter and stores in less space when you are travelling.