The lightweight MTX Calu is a foldable trekking pole with a durable combination of aluminum and 100% carbon segments. These poles are adjustable in lengths 115 to 135cm. The MT EVA grip with extension guarantees a perfect hold in any terrain, while the high quality MT Pro strap is very functional and easy to adjust. The MT Basket 40 can be easily replaced by the Alpine baskets so your trekking poles can be ready for use in winter.