The Clariden Evo Pant W Short by La Sportiva is a light, elastic, breathable and durable pair of trousers that you can use on a mountain tour. They are reinforced at the knees and seat and the inside of the ankles feature particularly abrasion-resistant Schoeller Keprotec, which can also survive boots. The elasticated waistband has an integrated belts and there are two bags with zips on the sides. And so you don't have to turn your back, the legs are shorter in the shorts version.