Our hydration systems let you take in liquids without breaking stride. The Streamer II 2.0 L is specially designed for our running or biking vests, and backpacks. Its wide opening makes it quick to refill and is sealed with an ergonomic slide-clip system. The Streamer II 2.0 L is fully reversible for easy cleaning. This lightweight system is compatible with our 28 mm filter and is BPA free and made without PFAS.