Swix Trekking Poles Sonic X Trail Full Carbon Walking Pole Patented Swix ultra high modulus Carbon fiber is Super light and very strong 378 grams/pair. Length folded: 39 cm The unique Swix locking system allows for 20 cm adjustment of length. The finest trekking pole Available in the market loaded with key performance features Swix based in Lillehammer Norway since 1946 is the world wide leader in pole innovation quality and performance