Leki Thermolite AERGON Anti-Shock Trekking Poles (Pair) Soft Antishock System (SAS) Lite that reduces stress on the joints, muscles and ligaments Super Lock System (SLS) uses wide thread patterns & steep-angled lock mechanisms to provide quicker and easier adjustments. Up to 60 times more secure 15-degree positive angle grip that preserves a natural position for your wrists. AERGON grips have an ovoid shape that can be palmed or held traditionally Carbide flex tips that deflect up to 30 degrees without damaging the lower pole sections. This reduces the risk of pole breakage Adjustable from 65-135cm. Weight 16.2oz.