Pack something smart in your backpack! Letto LongZip are lightweight shell pants with a smart design that offers fast protection from sudden rain showers. A 3-layer Dermizax® material (hydrostatic head: min. 20,000 mm) provides a perfect combination of weather protection and breathability. Cleverly designed with 2-way full-length side zips, so you can pull them on and off easily without taking your boots off. This feature, combined with superior packability, makes Letto LongZip Pants the perfect companion to stow in your backpack. The zips also provide ventilation when the heart rate rises.