The trekking poles tk631 nils extreme feature a telescopic structure, allowing for quick and easy length adjustment based on the user's height. The trekking poles tk631 nils extreme have an ergonomic non-slip grip made from a special synthetic material with an adjustable strap. The internal anti-shock system absorbs vibrations and protects the joints even during intense walks the anti-shock system can be easily disabled at any time . The trekking poles tk631 are designed for mountainous terrains, both on hard and soft surfaces. Trekking is a sport that develops the muscular system as a whole and significantly improves our body's efficiency. The glute, calf, thigh, arm, shoulder, chest, and abdominal muscles all work while walking with the poles. Engaging such a large muscle group positively impacts the enhancement of our overall fitness.We also have a full set of tips for nordic walking, and the trekking poles are made in a plate shape. The tn103 nils plates prevent the poles from si...