Alston Anti Shock Trekking Poles Trail/Hiking/Walking Poles Adjustable Height Aluminium Ultralight Durable, 2 Pack Easy to use - Made of durable light weight 7075 aluminum, The 3-sections telescopic poles are designed to be used anywhere anytime. Anti Shock - The anti-shock system helps absorb vibration, reduces up to 25% of body weight from the joints, muscles, ligaments and lower back are a major benefit. Non-slip foam - Comfortable soft grips with wrist strap and EVA Foam Grip for quick choke-ups on steep terrain Collapsible - You can extend your poles from 25.5" (64.8 cm) all the way to 53" (135 cm) quickly. When not in use, these are easy to collapse and small and light enough to be stored within your backpack or suitcase. Warranty - 1 Year Alston Products warranty against manufacturing defects!