Embark on your adventure with lightness using the Nathan Trail Mix 2.0 12L hydration backpack, specifically designed for long trail runs and light hikes. This version is 15% lighter than its predecessor, offering optimal comfort without compromising performance. Equipped with a hydration system that includes a 1.5L water bladder, it ensures you have a comfortable water supply. Additionally, you can add up to 2 extra flasks at the front to reach a total capacity of 2.5L. Its numerous pockets and breathable mesh construction allow you to easily store and access your essentials. The separate compartment for the water bladder and the roll-top closure for the back pocket maximize organization. With reflective details and pole holders on each side, this backpack will accompany you safely on your outdoor adventures! Four front bottle pockets can hold flasks up to 20 oz each, which stretch when filled and easily compress when empty. Separate rear zippered pocket for the bladder with pass-through holes on each side for easy hose access. Main roll-top rear pocket with buckle closure to maximize storage. Stretchable rear mesh pocket, perfect for a wet swimsuit, hat, sunglasses, hiking poles, or extra snacks. Stretchable elastic strap system at the back to maximize storage for quick-access essentials like a jacket, towel, or groundsheet. Adjustable chest and side straps for a secure fit. Side strap compression system tightens to secure and balance the load on your back. Breathable mesh back and shoulder straps to help keep you cool. Soft perimeter binding to prevent chafing. Includes a 1.5L Hydrapak bladder. Sternum attachment for bladder hose. Reflective touches for 360-degree visibility. Elastic hiking pole holders on each side. Weight without water bladder: 308 g. Weight with water bladder: 397 g. Storage capacity: 12L. Nathan Trail Mix 12L 2.0 - Trail running backpack | Hardloop