This tri-section trekking pole from Leki is specially designed for use on steeper terrain and is built using Aergon Air, meaning it fits your grip in a more pleasing way and has a rubberized back for firm control when it counts. The Sherpa poles are made with a light build with an incline that supports your wrist for added guidance of the pole, adding to your stability and safety.Aergon AirLock Security Strap Skin 4.0Aluminium (HTS 6.5)Finish Matt FinishSegments 3-section(s)Diameter - 18|16|14 mmVario (continuously adjustable) constructionSpeed Lock 2 plus locking systemTrekking basketBig Mountain Binding Exchange basketFlex Tip Long