The Khumbu offers the whole range of features: comfortable AERGON CorTec grips, Speed Lock+ adjustment system for hassle-free pole length adjustment, and lightweight,D27 high-strength aluminium shafts. An absolute all-rounder built to endure the toughest challenges. Speed-lock: Extremely fast adjustment of the pole length. 35% lighter, 27% smaller and same holding force as SL1 Aluminium HTS: Super stable, extremely robust and very durable. Trekking basket 2.0: Compatible with every Flextip, effective protection against sinking in Flex tip short: More precise pole use and perfect grip in nearly all terrains.