When choosing the right length poles follow the following formulas: Classic, Skiers height x 0.83. Skate, Skiers height x 0.89.
Ie: Skiers Height is 175cm and needs a pole for: Classic Skiing. 1 75cm x 0.83 = 145.25cm. Skate Skiing. 175cm x 0.89 = 155.75cm.
A 175cm Skier requires a 145cm pole for Classic or a 155cm pole for Skate.