- HIGH-PERFORMANCE SOFT FLASK FOR RUNNERS & HIKERS: The HydraPak Streamer Flask II 500 mL is a lightweight, collapsible hydration flask designed for trail runners, cyclists, and endurance athletes. Weighing only 2oz, it offers a compact, ultra-portable solution for on-the-go hydration, perfect for racing, training, and multi-day trekking.
- FLEXIBLE, COMPACT & SPACE-SAVING DESIGN: The soft, flexible structure allows the flask to shrink as you drink, minimizing water bounce and sloshing. This feature ensures a steady, stable carry in running vests, hydration belts, or backpacks, making it ideal for fast-paced activities.
- LEAKPROOF, FROST-RESISTANT & HEAT-RESISTANT MATERIAL: Crafted from durable TPU, PP, and silicone, this BPA- and PFAS-free flask is heat-resistant up to 104°F and frost-resistant, ensuring reliable performance in extreme temperatures. The self-sealing bite valve prevents leaks and ensures effortless hydration while moving.
- OPTIMIZED FOR TRAIL RUNNING, CYCLING & ULTRALIGHT PACKING: Whether used for marathon training, bikepacking, or long-distance hikes, this soft flask provides quick hydration without bulk. The wide 42mm opening allows for easy filling, cleaning, and compatibility with water filters.
- SUSTAINABLE & SAFE FOR DAILY USE: Made from high-quality, eco-friendly materials, this flask meets the highest safety standards, making it a trustworthy hydration option for athletes, adventurers, and everyday users alike.
Made by HydraPak, this light, soft water bottle, with a 3D welded base can hold 500 ml. Making it ideal for vest pockets and hip bags as well as running belts. Made from soft silicone, it shrinks as you drink to prevent its contents from sloshing and bouncing about. The valve is instantly self-sealing to prevent spillages. And with a standard 42 mm opening, it’s easy to fill.
