MSR Swift 3 Trekking Pole SureLock System: Positive-locking mechanism delivers the confidence of absolute no-slip performance Streamlined Construction: Manually operated SureLock System for those seeking a minimalist design and light-and-fast performance Ultralight Strength: Light, strong and reliable 7000-series aerospace-grade aluminum Foam Comfort Grip: Ultralight, ergonomic design fits a broad range of hand sizes and ventilated strap provides breathability in summer weather Effortless Swing: Low-profile adjustment high on the pole minimizes swing weight