Leki Corklite Trekking Pole (Black) by Leki. $114.99. No matter if you're going up or down the mountain, the 'Corklite' is a stable and reliable partner. This trekking pole model made from aluminum is an absolute lightweight. In addition, the new innovative external adjustment system Speed Lock provides convenient length adjustment in every weather. The Aergon CorTec compact grip makes for the highest level of comfort.