LEKI Wanderfreund SAS (Soft Anti-Shock) Trekking Pole Multi-med grip: unique cane-style design allows for easy handling Super lock system (SLS): the strongest pole locking system available as tested by TUV Soft antishock system (SAS): internal suspension system cushions Carbide flextips: concave, cylindrical tips offer secure hold on all terrain and surfaces Rubber tip attachment: easily attaches / removes from carbide flextip