The vibration damping system, the internal TwistLock locking system, sections made of aircraft aluminum alloy and light weight are the main distinguishing features of the Vipole Challenge trekking poles . This is an excellent choice if you need inexpensive and reliable telescopic poles for the most comfortable and safe trekking. The Antishock system dampens vibration when walking on hard ground, reduces the load on your hands and can be turned on or off as desired. The EVA foam, from which the handle is made, absorbs moisture and has excellent thermal insulation properties. The ultra-strong tungsten carbide tip is characterized by high wear resistance. The trekking poles are equipped with a branded carrying case.