MSR Sure Lock UL-3 Trekking Poles SureLock Adjustment System: Positive-locking mechanism offers the confidence of absolute, non-slip performance in all conditions Streamlined Construction: Manual operation engineered specifically for those seeking simplicity in design and the lightest weight possible Efficient Strength: 7000-series aluminum delivers exceptional, ultralight strength Uphill Efficiency: ErgoTelevators reduce fatigue and increase traction on the steeps with an ergonomic design that engages with a simply flick of a pole grip Dual-Density Grip: Sleek design works with a broad range of hand sizes and features a catch for raising heel lifts on snowshoes and AT bindings