The Leki Nordic Walking Poles Spin Shark SL: For Every Terrain! The Leki Nordic Walking Poles Spin Shark SL are made from sturdy aluminum, making them highly durable for long walking sessions. The compact grip is made of cork, providing optimal grip. The textured surface of the grip prevents slipping. Additionally, the grip features adjustable straps that can be modified from sizes S to L using a Velcro closure. Even if you let go of the grip, the Nordic walking pole won't fall to the ground. The Speed-Lock system is also impressive: it allows for quick adjustments of the pole length, even while wearing gloves. The Nordic walking poles come with a flex tip for walking on gravel and forest paths, as well as a pad for walking on asphalt. The pad offers excellent grip on asphalt, allowing for effective push-off. Pole specifications: Adjustable pole length • Intended for: Fitness enthusiasts • Material: Aluminum • Pole length: 100–130 cm • Special features: Adjustable pole length • Weight: 215 g • Grip: Cork • Strap: Trigger Shark 2.0 • Color: Black-Yellow.