Yes, you can technically hike in jeans, and for a short, dry walk in mild weather they’re fine. But denim is a poor choice for longer, wetter, or colder hikes…
hiking pants
Best Mountaineering Pants: Finding The Right Pair for Your Next Big Ascent
The best mountaineering pants are softshells built from stretch double weave fabric, because they combine wind resistance, breathability, and freedom of movement in one layer. Hardshell pants are the better…