Dakine Session Hydration Backpack 8L - Lightweight Trail Utility The Dakine Session 8L Hydration Backpack is built for long rides where you want to stay light but still be fully prepared. Its slim, low-profile design keeps things stable on rough trails, while the breathable back panel and shoulder straps help manage heat when you&';re pushing hard. With a 2L HydrapakA(R) reservoir included, it covers your hydration needs without overcomplicating your setup. Smart storage throughout makes it easy to carry tools, snacks, and essentials for all-day riding. Details Material: 100% recycled polyester outer and lining Hydration: 2L / 70 oz HydrapakA(R) reservoir with Phaser bite valve Fit: Slim, lightweight profile with breathable air flow back panel and shoulder straps Pockets: Fleece-lined pocket for sunglasses or phone, internal organizer pockets, front and side storage Features: External attachment straps, safety light attachment, reflective zipper pulls, integrated rescue whistle sternum strap