Ohuhu 80% Carbon Fiber Quick Lock Anti Shock Trekking Hiking Poles, 2-Pack BUILT TO LAST: Made of high quality Carbon Fiber, light weight and durable ANTI-SHOCK: With the high quality carbon fiber material, which is a natural anti-shock material, the shock-absorbing effect is much more effective than aluminum, which can strongly reduce damage from the impact force ADJUSTABLE HEIGHT W/QUICK LOCK SYSTEM: Easy to lock the trekking pole joints for EASY height adjustment. [Adjusts from 26 to 53] COMFORTABLE GRIP: Extra long EVA foam handles with straps. Soft and Comfortable, absorbs moisture from sweaty hands and very comfortable to hold. STRONG, BUT ULTRA-LIGHT: Each pole only weighs 7.5 ounces making the pair of poles only 15 ounces! Also, these trekking poles can be used in high altitude and cold weather, weather resistance, corrosion prevention and free from temperature influence (-80 to 120).