Are you a trail running enthusiast? Looking for a hydration pack that meets all your expectations and accompanies you during your most demanding sports challenges? The Ultim 12 hydration pack from Oxsitis is designed to meet all your needs. Inspired by the terrain and designed for performance, this pack is packed with ingenious new features that will satisfy the needs of the most demanding athletes. The new removable adjustment system at the front ensures quick and custom fitting. No more worrying about adjusting your pack during your effort! With its generous volume, this pack allows you to carry all the necessary gear for your races. Its large compartmentalized central pocket is ideal for optimizing the organization of your equipment. You can easily store your essentials. Additionally, the 2 back pockets accessible while running provide a practical space for your poles, jacket, or even your cap, without having to remove the pack. The 3D Coolmax material in the Ultim 12 effectively regulates moisture, giving you a fresh feeling throughout your effort. Moreover, the pack is water-resistant and durable thanks to its new 4 Way Stretch fabric, which significantly enhances your running comfort. This trail running backpack comes with two 500 ml flasks with practical pipettes, allowing you to hydrate easily and regularly without interrupting your run. Get ready to reach new heights with the Ultim 12, your ultimate ally on the trails!