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! Materials: Stretch fabric Water resistance: 3000 mm Large storage capacity Ergonomic chest adjustment with removable front system Double quick-access pocket Versatile: for short and long-distance trails Ultra-lightweight 3D Mesh with Airback Control system for good back ventilation Side velcro adjustments to fit your pack according to its content and your size Adjustable chest and waist straps for better load distribution and perfect stability 1 large-format waterproof smartphone pocket with auto-locking slider and headphone port 2 compartments designed to hold 500ml soft flasks 2 Bi-elastic material compartments for nutrition Central compartment segmented into several independent compartments easily accessible by a waterproof zipper 4 reflective loops for added safety, allowing the attachment of a Mesh net accessory to increase the pack's volume if needed Stretchable quick-access pocket (top and side) on the back of the pack, allowing access without removing the pack Comes with 2 500ml soft flasks and 2 tubes Can accommodate a 2-liter hydration bladder Pack equipped with Easy Fix Pole Control quick-attach pole holder system and magnetic race number holder Equipped with a whistle and reflective strips for added safety Weight: 288g Oxsitis Ultim 12 - Trail running backpack | Hardloop