Donâ€™t let the ever-changing up and downhill terrain hold you back. These Kelty Range 2.0 trekking poles will reduce stress on joints, improve balance and add power on uphill hikes. Use Kelty trekking poles on a variety of terrain to keep your knees from being exposed to the pain. Why choose them? They are crafted with high quality 6061 series anodized aluminum, which is more durable and stronger than normal aluminum products, the better material choose provide users a more reliable choice. They have an internal anti-shock spring technology that reduces strains on hands and wrist, which is perfect for people with weak joints, prior sports injuries, and it is best for downhill hiking. Soft EVA foam and cork hand grips with wrist strap, absorbs moisture from sweaty hands and very comfortable to hold. These poles use a weak twist-lock mechanism which provides easy length adjustment. Each pole can be expanded between 27 to 53 inches, which is much more easier to pack. These poles offer the advantage of less swing weight, which makes them easier and quicker to move.