Leki khumbu speed lock trekking pole pair description the khumbu presents a impressive feature set comfortable aergon cortec grips super lock system for hassle free pole length adjustment and ultralight high strength aluminium shafts an absolute all rounder built to endure the toughest challenges features aergon edgeless and ultralight aergon cortec grip for a comfortable fit in every hand lock security strap skin the leki skin strap is an ultra lightweight highly