During your mountaineering outings, every gram counts and every detail makes a difference. The Millet Trilogy Sky 25+ backpack is designed for high mountain enthusiasts seeking the perfect balance between lightness, functionality, and durability. Whether it's for a technical ascent, a day of climbing, or an alpine hike, this backpack will meet all your requirements brilliantly. Imagine yourself climbing steep rock faces, equipped with the Millet Trilogy Sky 25+. This backpack is your ideal partner for carrying all your essential gear without compromising on comfort. Designed for demanding mountaineers, it combines high-quality materials with an ergonomic design to offer maximum performance in the most extreme environments. The Millet Trilogy Sky 25+ is much more than just a backpack; it's an essential tool for mountaineers and climbers looking to push their limits while respecting the environment. Its intelligent design and innovative materials make this pack the perfect choice for all your mountain adventures. Get ready to conquer new heights with confidence and lightness. Expandable volume: 25-liter capacity with a 5-liter extension for flexible storage according to your needs. Robust materials: Constructed with Dyneema® and Cordura® for exceptional abrasion resistance and durability. Carrying comfort: Thermoformed EVA foam back panel and ergonomic shoulder straps for optimal comfort, even during long ascents. Easy access: Top opening with adjustable flap and drawstring closure for quick access to your gear. Hydration compatibility: Internal compartment for a hydration bladder and tube exit, so you can stay hydrated without interrupting your progress. Gear attachment: Loops to secure ice axes, skis, and poles, as well as compression straps to stabilize the load. Practical pockets: Zippered pocket on the flap, internal security pocket, and expandable side pockets for easy organization of your belongings. Weight: Lightweight to minimize fatigue and maximize your agility on technical terrain - 660 g Millet Trilogy Sky 25+ - Mountaineering backpack | Hardloop