LEKI Cristallo Trekking Poles, 2015 3" high 5" wide Strong and durable high-tensile-strength aluminum shaft. Supercomfortable Aegon soft rubber grip. SpeedLock2 external locking system allows for simple and fast adjustments in pole length. Carbide tip provides excellent grip on rock and ice. Wicking and quick-drying air-textured strap. Interchangeable baskets.