Isport Trekking Sticks, Adjustable mountaineering Folding Trekking Pole Climbing Stick Lightweight with EVA Foam Handle For Climbing Travelling Walking Hiking Comfortable:EVA handle,The handle is made of dual-density cotton and designed with ergonomics according to the shape of hands.It is soft,satiated,elastic and of excellent air permeability.The side touching the palm can effectively absorb sweat,so it has great anti-skidding performance. Sturdy:robust alpenstock made of aluminum alloy,The aluminum alloy is aeronautic one with good application,easy coating,high workability and excellent abrasive resistance. Rigorous:8AV locking system,Professional and quick locking system with external direct board locks.It is very convenient for it will be locked with tight fastening,which will not be effected no matter in winter or summer.It can be locked in seconds. The length of this portable 5-segment folded retractable alpenstock is 37CM.Every segment is equipped with container bag,and normally it can be contained in ordinary small bag. The length of the purple external lock is adjustable among 120-135CM.And this alpenstock fit people whose height is among 168-195CM.