La Sportiva Trail Speed Alu Poles trekking poles, trail running and ultra trail competitions are foldable and telescopic. Trail Speed Alu Poles are made of Aluminum Ergal 7075 T6, WIDIA carbide tungsten tip, available in one size adjustable from 110 to 130 cm, with a minimum footprint of 36 cm. The poles are composed of three segments with a diameter of 14, 16, 18 mm and are quickly assembled thanks to the Rapid Lock System locking system.