The Mammut Lithium 25 backpack delivers the perfect balance of performance and sustainability for hikers who refuse to compromise on either comfort or environmental responsibility. Built with over 89% recycled materials and weighing just 880g, this versatile 25L hiking backpack transitions seamlessly from leisurely weekend trails to demanding mountain training sessions. The innovative Contact U Frame suspension system and 3D EVA foam with air channels keep your back cool and comfortable during long ascents, while the integrated detachable rain cover ensures you're prepared when mountain weather turns unpredictable. Whether you're tackling technical terrain or enjoying a relaxed day hike, the hydration system compatibility and thoughtfully placed pockets keep essentials within easy reach, making this lightweight daypack an ideal companion for outdoor enthusiasts who value both peak performance and planet-conscious design.