NEWBRELLAs Pioneer E-674K Aerospace-grade Carbon Fiber 6.99oz Lightweight Alpine Skiing Trekking Poles Hiking Stick with Cork Grips Handles polyester Imported CARBON FIBER SHAFTS - 80% Made of E-674K Aerospace-grade Carbon Fiber, 20 times Sturdier than Aluminum, 3.5 times Sturdier than Normal Carbon Fiber; Purity is equal or greater than 98%, Strength is equal or greater than 2600MPa; Can be used in high altitude and cold weather, corrosion prevention and excellent weather-resistance free from temperature influence (Fahrenheit -123 to 248) ULTRA LIGHTWEIGHT - Each pole weighs only 6.99oz(equal to 0.44lb, 198g), E-674K Aerospace-grade Carbon Fiber is 25% lighter than normal Carbon Fiber; Definitely a must to looking for light, and durable poles, because every oz adds up as the miles pile on ERGONOMIC SYNCORK GRIPS - Easy and comfortable to grip no matter how wet/sweaty the hands were, doesn't get slippery and without being squishy. NON-SLIP FOAM GRIP EXTENSION - 4 inch foam grip below the cork handle for if you are going up a steep hill and need to grab lower on the pole, so you don't have to adjust the height all the time given changes in the terrain. ADJUSTABLE WRIST STRAPS - Easy & quick Lock, tight lock and does not slip. Polyester fiber material, fast dry and comfortable. LIFESAVER - After the up and down of an 8 mile hike and 2700 feet elevation change I can confirm these poles are life savers, and your knees will thank you! :) When faced several swampy areas, sawgrass palm areas, come across wild boars, armadillos, Pioneer poles were an absolute lifesaver on this trip!! Include mud/snow baskets to keep them from sinking down into the mud/snow. Patent NEWBRELLAs PIONEER Brand - SGS, CCC Certificated, the high quality poles are produced under management system of ISO9001